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Serrated Flange Screws
Serrated Flange Screws, Serrated Flange Bolts and commonly known by their trade name as Whiz-Lock Bolts, are unslotted hex head flange screws that have serrations under the flange, or on the bearing surface. The flange provides more strength than a regular hex screw, and in some applications, the serrations eliminate the need for lock washers or lock nuts.
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| Buy Serrated Flange Screws from one of our FCH Network Partners | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Zoro Tools Inc. | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Plain | 1/4-20 x 2 1/2 | serrated flange bolt 1/4-20 x 2-1/2 |
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| Zoro Tools Inc. | Flange Screw w serr. (Whiz-Lock eq.) | Plastic | Plain | M10 | nut plastic insert m10 hex flange |
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| Buy Serrated Flange Screws from one of our FCH Network Members | ||||||||
| FTS | OH | Flange Screw w serr. (Whiz-Lock eq.) | Class 10.9 | Plain | M12-1.75 x 35 | ser hex flng scr din 6921 gr10.9 | 450 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | nc hex whiz fl/b gr.5 | 1000 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 7/16-14 x 1 | nc hex serrated whiz fl/b gr.5 | 650 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 7/16-14 x 1 1/4 | nc hex serrated whiz fl/b gr.5 | 620 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Plain | M6-1.00 | M6x1.00 serrated whiz flange locknut | 19 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | #8-32 | 8-32 nc serrated whiz flange locknut | 200 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | #10-24 | 10-24 nc serrated whiz flange locknut | 5990 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | #10-32 | 10-32 nf serrated whiz flange locknut | 4364 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/4 | 1/4 nc serrated whiz flange locknut | 9978 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/4-28 | 1/4-28 nf serrated whiz flange locknut | 1031 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 5/16 | 5/16 nc serrated whiz flange locknut | 4183.75 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 5/16-24 | 5/16-24 nf serrated whiz flange locknut | 3631 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 3/8-24 | 3/8-24 nf serrated whiz flange locknut | 1108 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 7/16 | 7/16 nc serrated whiz flange locknut | 57131.5 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 7/16-20 | 7/16-20 nf serrated whiz flange locknut | 3069 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/2 | 1/2 nc serrated whiz flange locknut | 19144.3 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/2-20 | 1/2-20 nf serrated whiz flange locknut | 1176 |
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| Ababa | CA | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 whiz flng blt s/s | 2506 |
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| METRO IND | OH | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Black Oxide | M6 x 20 | m6 x 20 hex serrated tensilok flange screw bn 73 | 100 |
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| SII | IN | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/2-13 x 1 | 1/2-13 x 1 grd5 serrated flange bolt zinc) | 270 |
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| METRO IND | OH | Flange Screw w serr. (Whiz-Lock eq.) | Class 8.8 | Plain | M10 | M10 hex tensilok flange nuts bn 190 | 70 |
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| METRO IND | OH | Flange Screw w serr. (Whiz-Lock eq.) | Class 8.8 | Plain | M16 | M16 hex tensilok flange nuts bn 190 | 2 |
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| METRO IND | OH | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/2-13 x 1 3/4 | ind serrated fl/b | 150 |
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| METRO IND | OH | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 3/8-16 x 1 | ind serrated fl/b | 667 |
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| METRO IND | OH | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 3/8-16 x 1 1/2 | ind serrated fl/b | 22 |
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| METRO IND | OH | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 3/8-16 x 1 1/4 | ind serrated fl/b | 410 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 | 1/2-13 nc serrated whiz flange locknut 18-8 304 | 20 |
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| Jackson | MS | Flange Screw w serr. (Whiz-Lock eq.) | Class 10.9 | Zinc/Clear | M6 x 1.00 | coarse serrated whiz flange class 10 clear | 4000 |
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| TSF | TX | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/4-20 x 1/2 | flange hex screw serrated gr5 zinc 1/4-20 x 1/2 | 13 |
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| TSF | TX | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | hex washer flange bolt serrated 18-8 ss 1/4-20 x 3/4 | 252 |
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| Ababa | CA | Flange Screw w serr. (Whiz-Lock eq.) | Class 8.8 | Zinc/Clear | M10-1.50 x 25 | m10-1.5 x 25 whiz flange blt 8.8 znc | 900 |
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| Ababa | CA | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | M10-1.50 x 25 | m10-1.5 x 25 whiz flange blt hrd stl znc | 160 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 2 | Zinc/Clear | 3/8-16 x 3/4 | serrated hwh fl/b gr2 | 561 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/4-20 x 1 1/4 | serrated hwh flange scr gr5 | 1900 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 3/8-16 x 1 | 3/4 serrated hwh fl/b gr5 | 340 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 | serr. hex flange locknut 18-8 s/s | 100 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | serrated hwh flange scr 18-8 s/s | 13 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 8 | Phosphate | 5/16-18 x 1 1/2 | serrated gr8 hex flange fr/b blk phos | 1200 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 5/16-18 x 1 3/4 | serrated hwh fl/b gr5 | 220 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 2 | Zinc/Clear | 3/8-16 x 1 | serrated hwh fl/b gr2 | 184 |
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| ACCURATE | IL | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 | serr. hex flange locknut 18-8 s/s (fine thread) | 88 |
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| Set Screw | IL | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | #10-16 x 1.0 | unslotted hex serrated flange washer self drilling type #3 screw | inquire |
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| Set Screw | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 5/16-18 x .50 .2 | serrated fl/b & bake per print #4319 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 serrated whizlock machine screw s.s. 18-8 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 flanged serrated whizlock screw s.s. 18-8 #3108mww188 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 flanged serrated whizlock screw s.s. 18-8 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 flanged serrated whizlock screw s.s. 18-8 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1/2 | 3/8-16 x 1/2 flanged serrated whiz lock screw s.s. 304 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 316, 317, A4 Stainless | Plain | 3/8-16 x 3/4 | 3/8-16 x 3/4 flanged serrated whizlock screw s.s. 316 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1 | 3/8-16 x 1 flanged serrated whiz lock screw s.s. 304 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 | 1/2-13 x 1 flanged serrated whiz lock screw s.s. 304 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/2-13 x 3 1/2 | 1/2-13 x 3 1/2 flanged serrated whizlock screw zinc | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Class 8.8 | Zinc/Clear | M6-1.00 x 12 | m06-1.0 x 12mm flanged serrated whiz lock screw 8.8 zinc | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | M8-1.25 x 20 | m08-1.25 x 20mm flanged serrated whizlock screw zinc | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Class 8.8 | Zinc/Clear | M10-1.50 x 20 | m10-1.50 x 20mm flanged serrated whizlock screw 8.8 zinc | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Class 10.9 | Zinc/Yellow | M10-1.50 x 25 | m10-1.50 x 25mm flanged serrated whizlock screw 10.9 yellow zinc | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/4-20 x 1 | 1/4-20 x 1 flanged serrated whizlock machine screw zinc gr.5 #1416mww5 | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/4-20 x 1 3/4 | 1/4-20 x 1 3/4 flanged serrated whiz lock screw gr.5 zinc | inquire |
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| TownCountry | AR | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18 x 1/2 flanged whizlock screw gr.5 zinc #3108mww5 | inquire |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 3/4 | 1/4-20 x 1-3/4 serrated hex washer flange screw 18-8 stainless steel | 500 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/4-20 x 3/4 | 1/4-20 x 3/4 serr hex wash flange scr zinc pltd | 623 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/4-20 | 1/4-20 serrated flange hex locknut steel zinc plated | 2100 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Aluminum | Plain | #8 x 1 1/4 | #8 x 1 1/4 serr hex wash flange scr type-a alum | 195 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Class 10.9 | Black Oxide | M10-1.50 x 35 | m10 (1.5) x 35 serrated flange hex cap screw class 100 steel black oxide | 92 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Class 9.8 | Black Oxide | M10-1.50 x 35 | m10 (1.5) x 35 serrated flange hex cap screw class 90 steel black oxide | 76 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Plain | M6-1.00 x 16 | m6(1) x 16 serr hex wash flange scr plain | 45 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | serrated hex washer fl/b 18-8 s/s m | 1106 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/4-20 x 5/8 | serr hex wash flange scr | 1694 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 | serrated flange hex locknut 18-8 s/s | 1198 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1 1/2 | serrated hex washer fl/b 18-8 s/s | 220 |
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| YANKEE | NH | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | #6-32 x 1/4 | serr hex wash flange scr | 2600 |
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| American | NY | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/4-20 x 2 | hex flange serrated bolt pl | 800 |
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| American | NY | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | #10-32 x 1/4 | unslotted hex washer flange serrated m/s pl | 2000 |
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| American | NY | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Cadmium | #12-24 x 5/16 | hex washer flange serr cad pl m/s | 10000 |
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| CNB | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | serrated hex fl/b with 3m thread locker 2510 orange | 1500 |
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| RCFast | AZ | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | M8 x 25 | hex fl/b w/serrations stl 1 | 200 |
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| RCFast | AZ | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | M10 x 25 | hex wshr hd flange whizlock w/serrations stl 1 | 800 |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 3/8 | 10-32x3/8 hex whiz lock screw 18-8 s/s | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | 10-32x1/2 hex whiz lock screw 18-8 s/s | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | serrated hex fl/b 18-8 s/s | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Black | 1/4-20 x 1/2 | serrated hex fl/b black | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20x1/2 hex whiz lock screw | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Black Oxide | M6-1.00 x 30 | serrated hex fl/b black finish | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 3/8-16 x 1 | serrated indented hex fl/b gr. 5 | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 3/8-16 x 1 | 3/8-16x1 hex whiz lock screw | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 hex whiz lock screw | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 3/8-16 x 2 | 3/8-16x2 hex whiz lock screw | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Black | 3/8-16 x 3/4 | serrated hex fl/b black | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 7/16-14 x 1 | serrated hex fl/b | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Plain | 5/16-18 x 1 1/2 | hex fl/b serrated | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 5/16-18 x 1 | serrated indented hex fl/b | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 5/16-18 x 1/2 | serrated hex fl/b | inquire |
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| MasFasCorp | NV | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M8-1.25 x 12 | m8-1.25x12 hex flange bolt (not serrated) s/s | inquire |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 1/2-13 | 1/2-13 hex flange nylon insert locknut grade 5 zinc | 3232 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Plain | M8-1.25 x 14 | m8 x 1.25 x 14 indented hex flange serrated tapping screw tri lob per sae j1237 type-2 case hard plain | 11727 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | 1/4-20 x 1 hex flange bolt serrated 18-8 ss | 200 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Class 10.9 | Zinc/Clear | M8-1.25 x 16.00 | m8 x 1.25 x 16.00 serrated hex flange bolt 10.9 with 17.6 mm flange od 13 mm af and 7.70 mm head height zinc chromate | 10990 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 8 | Zinc/Black | 1/4-20 | 1/4-20 serrated hex flange locknut grade 8 plated per tms 4521 type i (zinc nickel black) | 40579 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 1/2-13 | 1/2-13 serrated hex flange locknut 18-8 stainless steel passivated per mpaps a-37 with anti-galling coating | 144 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 1/2-13 | 1/2-13 serrated hex flange locknut case hardened plated per tms 4523 | 4524 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Clear | 3/8-16 x 1 | hex serrated fl/b, | 808 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Steel | Zinc/Yellow | 3/8-16 x 1 1/2 | hex serrated fl/b, grade5, | 365 |
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| CIF | IL | Flange Screw w serr. (Whiz-Lock eq.) | Grade 5 | Zinc/Clear | 3/8-16 x 1 1/2 | hex serrated fl/b, , | 700 |
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