ANSI B18.6.4 Self Tapping Drive Screws Type U, #4

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Type U Drive Screws are round head unslotted self-tapping screws with multiple start threads and a blunt pilot point. These screws require a pre-drilled hole and may be hammered rather than screwed, and so can be tamper-resistant.

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Supplier	Loc	Type	Material	Finish	Size	Description	Qty
HBBOLT	CA	Self-Tapping Drive Screw (type u)	Steel	Plain	4 1/2 x .040 x 7/8	4-1/2x.040x7/8 cut-off whl plus-altype-u 1 a46n 655811000 655811000	100
Valley Nu	WA	Self-Tapping Drive Screw (type u)	Steel	Plain	4 1/2 x .045 x 7/8	4 1/2 x .045 x 7/8 ta60type-u 1 cutoff wheel A01010	80
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/8	round type-u drive	1094
Hayes	CA	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/8	ms21318-19 #4 x 1/8 round t-u cad ii	200
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 1/8	round type-u drive	inquire
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/8	round type-u drive 18-8 s/s	700
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/8	ms21318-19	138
NAPPCO	TX	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	4-7 x 1/8	rd hd u-drive sc steel zp 4-7x1/8	8700
OBRIEN	OH	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/8	u-drive 18-8 304	4574
OBRIEN	OH	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/8	u-drive	2050
FMP	MA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/8	round	4000
AIH	AZ	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/8	drive MS21318-19	16
Kanebridge	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/8	4x1/8 round head type u drive screw 18-8 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/8	4x1/8 round head type u drive screw zinc and bake	250,000
Liberty	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/8	round u-drive 18-8 s/s 18-8 s/s	500
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/32	#4 x 5/32(+/-.005) rnd ty u drive screw parker 012249	37760
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/32	#4 x 5/32 (+/-.005) round drive screw parker 012249zi	57000
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x .16	#4 x .166/.176 round type-u rev-e	50,000
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x .16	#4 x .166/.176 round type-u q2b	9,449
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	round type-u drive	7600
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round type-u drive 18-8 s/s	7375
Hayes	CA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round u drive scr. 18-8ss	1285
Hayes	CA	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	ms21318-20 #4 x 3/16 round t-u cad ii	81
YANKEE	NH	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	#4 x 3/16 round t-u drivescrew stain steel	560
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 3/16	round type u drive	9900
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	316, 317, A4 Stainless	Plain	#4 x 3/16	round type u drive 316 stainless	3848
METRO IND	OH	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	round u-drive	100
METRO IND	OH	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round u-drive s/s	800
MasFasCorp	NV	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	round u drive	inquire
Wurth	Ont	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	scr drive u round st (zn) 4x3/16 b18.6.4	1000
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	ms21318-20	120
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	#4 x 3/16 round hd type-u drive screw	21,900
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	#4 x 3/16 round hd-sh type-u	270
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	#4 x 3/16 round hd-sh type-u	700
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	#4 x 3/16 round hd type-u	5,866
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Cadmium	#4 x 3/16	flat u drive cad pl	1800
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Cadmium	#4 x 3/16	round u drive cad pl	400
NAPPCO	TX	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	4-7 x 3/16	rd hd u-drive sc s/s 18-8 4-7x3/16	16688
NAPPCO	TX	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	4-7 x 3/16	rd hd u-drive sc steel zp 4-7x3/16	63
Trinity	MI	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	#4 x 3/16 u drive zinc b18.6.4	5212
BHAM	AL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round u-drive 300 ser ss	900
Future Fastener	TX	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	4 x 3/16 rd u drive screw ss	800
Jackson	MS	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	u-drive 18-8 304	800
Global	CA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round t-u drivescrew 18-8 ss	270
Trifast	TX	Self-Tapping Drive Screw (type u)	316, 317, A4 Stainless	Plain	#4 x 3/16	#4x3/16 type-u drive screw 316 ss plain self finish	6715
All Size	TX	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	#4 x 3/16 u drive screw b18.6.4	1
FMP	MA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	round	8300
FMP	MA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round	3000
Cal Fastenrs	CA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	round type-u drive Cr3+	1,745
ASMC	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	metallic drive type-u round low carb zp	3,650
MAINSOURC	NH	Self-Tapping Drive Screw (type u)	Steel	Cadmium/Yellow	#4 x 3/16	round type-u drive sc stl	107
MAINSOURC	NH	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round type-u drive sc 18-8 ss	355
Endries	WI	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	round t-u drive zc	2800
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 3/16	4x3/16 round head type u drive screw black oxide	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	316, 317, A4 Stainless	Plain	#4 x 3/16	4x3/16 round head type u drive screw 316 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	4x3/16 round head type u drive screw 18-8 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	4x3/16 round head type u drive screw zinc and bake	250,000
Liberty	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	round u-drive 18-8 s/s 18-8 s/s	1,430
Liberty	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/16	round u-drive s	4,365
Komar	AR	Self-Tapping Drive Screw (type u)	Steel	Zinc/Yellow	#4 x 3/16	round type u drive scr yellow	1,200
GLF	OH	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/16	#4x3/16 round/type-u drive/ cad 1 MS21318-20	450
VertexD	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/16	4x3/16 round head ty udrive scr 18-8 ss	323894
SIS	AZ	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	4-7 x .235	flat type-u drive per print	69700
WSB	KY	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 0.228	screw drive u rd st ni 4x0.228 b18.6.4	22,000
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round type-u drive	20500
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	4 x 1/4 round u drive screw zinc pl	1800
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	4 x 1/4 round u drive screw zinc pl	1800
Hayes	CA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round u drive scr.	1245
YANKEE	NH	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	#4 x 1/4 round t-u drivescrew zinc pltd	530
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 1/4	round type u drive	7900
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	316, 317, A4 Stainless	Plain	#4 x 1/4	round type u drive 316 stainless	3008
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	round type u drive 18-8 s/s	4675
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Cadmium	#4 x 1/4	round u drive cad pl	33800
MasFasCorp	NV	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round type-u drive	inquire
METRO IND	OH	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	round u-drive s/s	3000
Hayes	CA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	round u drive scr. 18-8ss	770
MESAFAST	CA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round u-drive	1,500.0
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	ms21318-21	394
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	#4 x 1/4 round hd type-u	750
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	#4 x 1/4 round hd type-u	423
ACF	CA	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 1/4	#4x1/4 round u drive screw black ox & dry wax	10000
Bolts Plus	Ont	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	u-drive	61
Wurth Ada	MN	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	scr drive u round steel (zt) 4x1/4	40,185
Irwin Ind	Ont	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	4 x 1/4 round head u drive t/s zinc dich b18.6.4	4,700
THRDFAST	FL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round t-u drive b18.6.4	7,349
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round u drive zp	3500
OBRIEN	OH	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	type-u drive	1885
IRF	NC	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round u drive stl/	6600
Trinity	MI	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	#4 x 1/4 u drive zinc b18.6.4	200
CFI	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	u drive round type-u	30,000
CFI	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	u drive round type-u	30,000
CFI	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	u drive round type-u	30,000
Future Fastener	TX	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	4 x 1/4 rd hd u-drive screw ss	9,522
Jackson	MS	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	u-drive 18-8 304	1200
FMP	MA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round	25000
FMP	MA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Yellow	#4 x 1/4	round	4000
FMP	MA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	round	5000
AIH	AZ	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	drive MS21318-21	470
ASFCORP	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	4 x 1/4 rd hd ty u drive scw ss	140
ASFCORP	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	4 x 1/4 rd hd ty u drive scw ss	140
FastWare	Sask	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	u-drive	7,873
Alma Bolt	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	round drive type-u	6155
MAINSOURC	NH	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	round type-u drive sc 18-8 ss	488
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 1/4	4x1/4 round head type u drive screw black oxide	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	316, 317, A4 Stainless	Plain	#4 x 1/4	4x1/4 round head type u drive screw 316 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	4x1/4 round head type u drive screw 18-8 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	4x1/4 round head type u drive screw zinc and bake	250,000
Liberty	IL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	round u-drive s	800
Liberty	IL	Self-Tapping Drive Screw (type u)	Steel	Nickel	#4 x 1/4	round u-drive plate plate	350
Liberty	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round u-drive s	1,676
Liberty	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	round u-drive 18-8 s/s 18-8 s/s	6,309
HBBOLT	CA	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	round u-drive	6,200
Komar	AR	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	round type u drive	1,000
Alma Bolt	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/4	round drive type-u	774
ASMC	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/4	metallic drive type-u round low carb zp	9,150
VertexD	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/4	4x1/4 round head ty udrive scr 18-8 ss	291558
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/16	round type-u drive	1213
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	round 18-8 s/s u drive	6000
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	316, 317, A4 Stainless	Plain	#4 x 5/16	round 316 s/s u drive	inquire
Hayes	CA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	round u drive scr.	32450
Hayes	CA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	round u drive scr. 18-8ss	221
YANKEE	NH	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	#4 x 5/16 round t-u drivescrew stain steel	490
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 5/16	round type-u drive	inquire
RCFast	AZ	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	round u-drive 18-8 304	inquire
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	round u drive pl	200
YANKEE	NH	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	round t-u drive	3450
Hewes	NY	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	round u drive 18-8 s/s	56
Century	FL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/16	ms21318-22	544
Wurth Ada	MN	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	scr drive u round steel (zt) 4x5/16	19,101
Wurth Ada	MN	Self-Tapping Drive Screw (type u)	Steel	Zinc/Yellow	#4 x 5/16	scr drive u round steel (zy) 4x5/16	12,680
Wurth Ada	MN	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	scr drive u round steel (zn) 4x5/16	1,300
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Cadmium	#4 x 5/16	round u drive cad pl	1500
Ameri	NY	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	round u drive 18-8 304	800
NAPPCO	TX	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	4-7 x 5/16	rd hd u-drive sc s/s 18-8 4-7x5/16	110
ISSCO	MO	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	round head type-u	5000
Trinity	MI	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	#4 x 5/16 u drive zinc b18.6.4	986
FMP	MA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	round	25000
FMP	MA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	round	8000
Alma Bolt	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/16	round drive type-u	16057
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 5/16	4x5/16 round head type u drive screw black oxide	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	4x5/16 round head type u drive screw 18-8 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	4x5/16 round head type u drive screw zinc and bake	250,000
Liberty	IL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/16	round u-drive s	5,589
HBBOLT	CA	Self-Tapping Drive Screw (type u)	Ste el	Plain	#4 x 5/16	round u-drive	5,796
GUIDON	NJ	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/16	ROUND HEAD U DRIVE	1,100
Alma Bolt	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/16	round drive type-u	1350
GLF	OH	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/16	#4 x 5/16 round type-u drive stl zc MS21318-22	1927
Cal Fastenrs	CA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	#4 x 5/16 round head u-drive screw stainless steel rd. head u-drive	3,000
VertexD	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 5/16	4x5/16 round head ty udrive scr 18-8 ss	147708
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/8	round type-u drive	11643
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	round 18-8 s/s u drive	inquire
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 3/8	round u drive black ox	800
Hayes	CA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	round u drive scr. 18-8ss	80
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/8	round type-u drive	inquire
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	round u drive zp	200
YANKEE	NH	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	round t-u drive	5250
Hewes	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	round u drive scr plate	50
Wurth Ada	MN	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	scr drive u round (18 8) 4x3/8	3,992
Irwin Ind	Ont	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	4 x 3/8 round hd u drive screw steel zinc b18.6.4	1,350
EFSCO	OR	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	#4 x 3/8 round head type-u drive screw 18-8 stainless	2000
THRDFAST	FL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	round t-u drive b18.6.4	3,284
NAPPCO	TX	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	4-7 x 3/8	rd hd u-drive sc s/s 18-8 4-7x3/8	6000
BAYFASTCO	FL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	round head type u drive screw st	307
Trinity	MI	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	#4 x 3/8 u drive zinc b18.6.4	900
WDMB	IA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	round u drive	3084
Cal Fastenrs	CA	Self-Tapping Drive Screw (type u)	Steel	Black Oxide	#4 x 3/8	round u-drive -blk ox & wax u drive	3,000
Future Fastener	TX	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	4 x 3/8 u drive screw plt	7,105
SJS Prod	CA	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	#4 x 3/8 u drive screw ss rohs	1,000
NutsBolts	NE	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	#4 x 3/8 ss u-drive rivet zvb4012	1,927
AIH	AZ	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/8	drive MS21318-23	399
FastWare	Sask	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	u drive	332
ASMC	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	metallic drive type-u round low carb zp	1,666
MAINSOURC	NH	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/8	round type-u drive sc stl z/clr	500
Kanebridge	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	4x3/8 round head type u drive screw 18-8 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	4x3/8 round head type u drive screw zinc and bake	250,000
Liberty	IL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/8	ms21318-23 u drive	35,000
Liberty	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	round u-drive 18-8 s/s 18-8 s/s	26,700
GLF	OH	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/8	round type-u drive stl zc	6922
VertexD	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 3/8	4x3/8 round head ty udrive scr 18-8 ss	162550
HBBOLT	CA	Self-Tapping Drive Screw (type u)	Steel	Plain	4 1/2 x .40 x 7/8	4-1/2x.40x7/8 cut-off whl plus-altype-u 27 a46n 655821000 655821000	247
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/2	round type-u drive	515
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/2	round 18-8 s/s u drive	750
RCFast	AZ	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/2	round u-drive 18-8 304	inquire
JET FITTING	CA	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/2	drive screw round u #4x1/2 steel zinc plated b18.6.4	1088
BHAM	AL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/2	round u-drive zn	800
Future Fastener	TX	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/2	4 x 1/2 u drive screw ss	873
Kanebridge	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/2	4x1/2 round head type u drive screw 18-8 stainless steel	250,000
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 1/2	4x1/2 round head type u drive screw zinc and bake	250,000
Liberty	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 1/2	round u-drive 18-8 s/s 18-8 s/s	900
Liberty	IL	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 1/2	round u-drive s	4,500
Liberty	IL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Plain	#4 x 9/16	round u-drive 18-8 s/s 18-8 s/s	31,700
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 5/8	round type-u drive	5560
Century	FL	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Passivated	#4-40 x 5/8	nas1802-04-10	150
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/8	round u drive pl	15000
AIH	AZ	Self-Tapping Drive Screw (type u)	300 Stainless (A1,A2, 18-8,304,310 etc.)	Passivated	#4-40 x 5/8	4-40 x 5/8 hex phil drive s/s pass NAS1802-04-10	2
Kanebridge	IL	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 5/8	4x5/8 round head type u drive screw zinc and bake	250,000
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Nickel	#4 x 11/16	drive pl	13500
Jay-Cee	MI	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 3/4	round type-u drive	7100
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Zinc/Clear	#4 x 3/4	round u drive pl	200
Ameri	NY	Self-Tapping Drive Screw (type u)	Steel	Plain	#4 x 7/8	4 x 7/8 round u-drive screw	850

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