12-point Flange Screws, Counterbore Screws,  Ferry Head Cap Screws or Counterbore Screws, feature a 12 point head and a flanged bearing surface. Usually fully threaded, the 12-point design provides for higher tightening torque, without edge rounding and they are covered under ANSI Standard B18.2.1

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SupplierLocTypeMaterialFinishSizeDescriptionQty
MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide5/8-11 x 45/8-11 x 4 alloy blk 12 pt flange screws375
Search results presented by Metric Threaded Products, Inc., your source for 12 Point Flange Screws. For more results, visit www.metric-threaded.com
 
SupplierLocTypeMaterialFinishSizeDescriptionQty
LibertyIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1/34ferry c/s 12-pt drilled 12-pt drilled10
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1nc ferry c/s20
CIFIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 112 point f/b, 4140,24
All SizeTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 15/8-11 x 1 12 point flange bolt plain b18.2.118
R&SOR12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 15/8-11 x 1 12 pt flange screw alloy13
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1fine 12-point fl/b144
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 112 pt countr-bor plain 5/8-11 x 1120
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1counter bor bolt ferry120
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 112 pt countr-bor 5/8-11x1120
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/4coarse 12-point fl/b b18.2.1210
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/45/8-18x1 1/4 fine 12-point flange screw alloy pln13
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/4nc 12 pt fl/b pl34
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/4nf 12 pt fl/b pl3
THRDFASTFL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/412 pt counterbore screw b18.2.11
R&SOR12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/45/8-11 x 1-1/4 12 pt flange screw13
Bolts PlusOnt12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/4counterbore ferry c/s8
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/412 pt countr-bor plain 5/8-18 x 1 1/4140
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/412 pt countr-bor plain 5/8-11 x 1 1/4130
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/4counter bor bolt ferry140
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/4counter bor bolt ferry130
MidStatesMI12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/412pt fl/b-countrbore45
EFSCOOR12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 1 1/45/8-11 x 1 1/4 nc 12 point flange bolt grade 8 alloy plain.11
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/412 pt countr-bor 5/8-11x1 1/4130
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/412 pt countr-bor 5/8-18x1 1/4140
AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/25/8-18 x 1 1/2 12 point cap screw alloy b18.2.125
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/2nf 12 pt fl/b pl14
EFSCOOR12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 1 1/25/8-11 x 1 1/2 nc 12 point flange bolt grade 8 alloy plain.71
Future FastenerTX12 Point Flange Screw (CounterBore)SteelBlack Oxide5/8-11 x 1 1/25/8-11 x 1 1/2 12pt ferry cap screw blk3
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/2nc ferry c/s38
ISSCOMO12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/212 point counterbore screw405
LibertyIL12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 1 1/212-pt c/s100
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/2coarse 12-point fl/b140
R&SOR12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/25/8-18 x 1-1/2 12 pt flange screw24
System 22PA12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Silver5/8-18 x 1 1/2inconel 71815
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/212 pt countr-bor dom lb7 5/8-11 x 1 1/226
DeltaTX12 Point Flange Screw (CounterBore)Grade B7Plain5/8-11 x 1 1/2counter bor bolt lb725
EFSCOOR12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 1 1/25/8-18 x 1 1/2 nf 12 point flange bolt grade 8 alloy plain.81
TrinityIA12 Point Flange Screw (CounterBore)SteelZinc/Clear5/8-11 x 1 1/25/8 - 11 x 1 1/2 12 point flange screw 170m psi tensile znpo1142
THRDFASTOK12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/212 pt counterbore screw b18.2.132
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/212 pt countr-bor dom. lb7 5/8-11x1 1/225
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 1 1/2gr8 12pt hd fl/b25
CIFIL12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Passivated5/8-18 x 1 3/412-pt fl/b , 17-4 ph ss, cond h900, per astm a967, per print6
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 3/4nc 12 pt fl/b pl2
OBRIENOH12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 3/412pt fl/b4
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 3/4nf ferry c/s63
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 3/45/8-18x1 3/4 fine 12-point flange screw alloy pln30
ISSCOMO12 Point Flange Screw (CounterBore)SteelZinc/Clear5/8-11 x 1 3/412 point counterbore screw491
WurthIN12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 3/45/8-11 x 1-3/4 ctr-bor screw alloy5,128
ASFCORPMI12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 3/45/8-11 x 1 3/4 counter bore scw alloy pkg15
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 3/4coarse 12-point fl/b32
Spring BoTX12 Point Flange Screw (CounterBore)316, 317, A4 StainlessPlain5/8-11 x 1 3/45/8 (11) x 1-3/4 flange screw 12 point 316ss b18.2.1 b18.2.1 usainquire
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 1 3/4gr8 12pt hd fl/b124
Spring BoTX12 Point Flange Screw (CounterBore)316, 317, A4 StainlessPlain5/8-11 x 1 3/45/8(11) x 1-3/4 flange screw 12 point 316ss b18.2.1 usainquire
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2nf ferry c/s6
CIFIL12 Point Flange Screw (CounterBore)SteelPhosphate5/8-11 x 25/8-11 x 2 12 point flange bolt type 9 phos coated for 72 hours to red rust100
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2nf 12 pt fl/b pl3
AFPIL12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 212point counterbore bolt gr. 8826
Future FastenerTX12 Point Flange Screw (CounterBore)Grade B7Black Oxide5/8-11 x 25/8-11 x 2 (12 pt) b7 ferry hd cap blk6
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2nc ferry c/s88
WurthIN12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 25/8-11 x 2 countr-bor screw alloy pack 90 per poly bag19,448
WurthIN12 Point Flange Screw (CounterBore)SteelZinc/Yellow5/8-11 x 25/8-11 x 2 countr-bor screw alloy znc/ye zinc/yellow plated500
R&SOR12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 25/8-18 x 2 12 pt flange screw alloy30
Spring BoTX12 Point Flange Screw (CounterBore)316, 317, A4 StainlessPlain5/8-11 x 25/8 (11) x 2 flange screw 12 point 316ss b18.2.1 b18.2.1 usainquire
Spring BoTX12 Point Flange Screw (CounterBore)316, 317, A4 StainlessPlain5/8-11 x 25/8(11) x 2 flange screw 12 point 316ss b18.2.1 usainquire
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 2gr8 12pt hd fl/b13
AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 25/8-18 x 2 12 point cap screw alloy25
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 2gr8 12pt hd fl/b25
Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 2 1/412-pt fl/b astm193 b7 material plate & bake per printinquire
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/4nc ferry c/s106
CNBIL12 Point Flange Screw (CounterBore)SteelZinc/Clear5/8-11 x 2 1/412-point counterbore50
ISSCOMO12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/412 point counterbore screw185
WurthIN12 Point Flange Screw (CounterBore)SteelAluminum zinc flake (Dacromet, Magnigard, Doerken)5/8-11 x 2 1/45/8-11 x 2 1/4 counter-bor alloy zinc flake194
R&SOR12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/45/8-11 x 2-1/4 12 pt flange screw2
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/4coarse 12-point fl/b15
TrinityIA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/45/8 - 11 x 2 1/4 12 point flange screw 170m psi tensile plain40
Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 2 3/812-pt fl/b astma193 b7 material plate & bake per printinquire
OBRIENOH12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/212pt fl/b1
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2 1/25/8-18x2 1/2 fine 12-point flange screw alloy pln20
ISSCOMO12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/212 point counterbore screw225
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 1/2coarse 12-point fl/b6
LibertyIL12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 2 1/25/8-11x2-1/2 hex c/s 12-pt bolt screw 12-pt bolt20
R&SOR12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2 1/25/8-18 x 2-1/2 12 pt flange screw9
DeltaTX12 Point Flange Screw (CounterBore)Grade B7MPlain5/8-11 x 2 1/212 pt countr-bor dom lb7m 5/8-11 x 2 1/296
DeltaTX12 Point Flange Screw (CounterBore)Grade B7MPlain5/8-11 x 2 1/2counter bor bolt lb7m96
Dan-LocTX12 Point Flange Screw (CounterBore)Grade B7Plain5/8-11 x 2 1/25/8-11x2-1/2 c/s 12 pt b7/l7 pl full thread20590
DeltaTX12 Point Flange Screw (CounterBore)Grade B7MPlain5/8-11 x 2 1/212 pt countr-bor dom. lb7m 5/8-11x2 1/296
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 2 1/2gr8 12pt hd fl/b25
GLFOH12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 2 1/212-pt flg bolt bolt100
Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 2 3/412-pt fl/b astma193 b7 material plate & bake per printinquire
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2 3/45/8-18x2 3/4 fine 12-point flange screw alloy pln b18.2.120
WurthIN12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 3/45/8-11x2 3/4 counter-bor alloy pack 45 per poly bag302
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 2 3/4coarse 12-point fl/b15
HayesCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 312 pt. ctrbr screw6
Bolts PlusOnt12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3counter bore screw125
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 3nf 12 pt fl/b pl16
Future FastenerTX12 Point Flange Screw (CounterBore)SteelBlack Oxide5/8-11 x 35/8-11 x 3 ferry head cap screw blk50
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8 x 3nc ferry c/s6
Bolts PlusOnt12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3counterbore ferry c/s50
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 3fine 12-point fl/b20
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 312 pt countr-bor plain 5/8-11 x 3100
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3counter bor bolt ferry100
Dan-LocTX12 Point Flange Screw (CounterBore)Grade B7Plain5/8-11 x 35/8-11x3 c/s 12 pt b7/l7 pl full thread5494
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 3gr8 12pt hd fl/b25
DeltaTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 312 pt countr-bor 5/8-11x3100
MidStatesMI12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 3 1/412pt fl/b sc-cntrbore113
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 3 1/45/8-18x3 1/4 fine 12-point flange screw alloy pln25
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3 1/45/8-11x3 1/4 coarse 12-point flange screw alloy pln clearance unc20
Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 3 1/212-pt fl/b astma193 b7 material plate & bake per printinquire
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3 1/2nc 12 pt fl/b pl23
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 3 1/2nf 12 pt fl/b pl1
Future FastenerTX12 Point Flange Screw (CounterBore)SteelBlack Oxide5/8-11 x 3 1/25/8-11 x 3 1/2 (12pt) 4140 ferry cap blk40
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8 x 3 1/2nc ferry c/s31
All SizeTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3 1/25/8-11 x 3-1/2 12 point flange bolt plain b18.2.123
RevcarVA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3 1/212 pt cntrbore screw darling only- with material test reports995
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3 1/25/8-11x3 1/2 coarse 12-point flange screw alloy pln b18.2.123
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 3 1/2gr8 12pt hd fl/b24
Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 3 3/412-pt fl/b astma193 b7 material plate & bake per printinquire
AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 45/8-18 x 4 12 point cap screw alloy b18.2.125
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4nf 12 pt fl/b pl3
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8 x 4nc ferry c/s15
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 4coarse 12-point fl/b34
WurthIN12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 45/8-11 x 4 countr-bor 12pt screw alloy pack 25 per poly bag420
ASFCORPMI12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 45/8-11 x 4 counter bore scw alloy1,005
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4fine 12-point fl/b10
EFSCOOR12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 4nc 12-pt fl/b .12
WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 4gr8 12pt hd fl/b25
HayesCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/212 pt. ctrbr screw21
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/2nf 12 pt fl/b pl19
All SizeTX12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/25/8-18 x 4-1/2 12 point flange bolt plain b18.2.11
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/2fine 12-point fl/b b18.2.120
EFSCOOR12 Point Flange Screw (CounterBore)Grade 8Plain5/8-18 x 4 1/2nf 12-pt fl/b .10
CIFIL12 Point Flange Screw (CounterBore)SteelPlain5/8 x 512-pt fl/b blank, 3/4 oversized body, 4140, 36-40 rc, 160-190 ksi20
CNBIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 512-pt c/s100
MidStatesMI12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 5in 12pt fl/b sc-cntrbore13
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8 x 5nc ferry c/s5
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 55/8-18x5 fine 12-point flange screw alloy pln b18.2.120
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 5 1/25/8-11x5 1/2 coarse 12-point flange screw alloy pln unc38
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 5 3/4nf ferry c/s4
MidStatesMI12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 6in 12pt fl/b sc-cntrbore9
JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 6nf ferry c/s4
AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 65/8-11 x 6 inch 12 point cap screw alloy50
Future FastenerTX12 Point Flange Screw (CounterBore)SteelBlack Oxide5/8-18 x 6 1/25/8-18 x 6 1/2 ferry head cap screw blk50
ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 6 1/2fine 12-point fl/b40
Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 7nf 12 pt fl/b pl7
CenturyFL12 Point Flange Screw (CounterBore)SteelPlain5/8ms21250-0601017
WurthIN12 Point Flange Screw (CounterBore)SteelPlain5/85/8 counterbore dia 1/2 shnk dia 3 fl strt shnk pilot hss11

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