A nylon locking patch grips threads to resist loosening. Also known as half dog-point set screws, these set screws have a protruding tip that locks within a mating hole or slot to keep parts aligned. Length listed is the overall length.

3D CAD models availableFor technical drawings and 3-D models, click on a part number.

Tip

Lg. Dia. Lg. Drive

Size Thread Locker

Max. Temp., °F Hardness Specifications Met Pkg.

Qty. Pkg.

Alloy Steel

8-32

3/16" 0.109" 0.043" 5/64" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A497 $12.94

1/4" 0.109" 0.043" 5/64" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A501 5.74

5/16" 0.109" 0.043" 5/64" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A503 5.76

3/8" 0.109" 0.043" 5/64" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A505 5.76

1/2" 0.109" 0.043" 5/64" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A507 5.78

10-24

1/4" 0.127" 0.049" 3/32" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A515 7.02

3/8" 0.127" 0.049" 3/32" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A517 7.18

10-32

3/16" 0.127" 0.049" 3/32" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A522 13.16

1/4" 0.127" 0.049" 3/32" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A525 5.82

3/8" 0.127" 0.049" 3/32" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A527 7.22

1/2" 0.127" 0.049" 3/32" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A531 16.81

1/4"-20

1/4" 0.156" 0.067" 1/8" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A529 12.04

5/16" 0.156" 0.067" 1/8" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A530 10.83

3/8" 0.156" 0.067" 1/8" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A532 10.91

1/2" 0.156" 0.067" 1/8" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A534 11.43

5/8" 0.156" 0.067" 1/8" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A536 12.23

3/4" 0.156" 0.067" 1/8" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A537 18.54

1" 0.156" 0.067" 1/8" 250° Rockwell C45 ASME B18.3, ASTM F912 1 95235A538 6.20

3/8"-16

1/2" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A551 13.34

5/8" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A553 15.46

3/4" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A555 16.03

1" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A558 18.17

1 1/4" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A560 13.65

1 1/2" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A563 14.38

3/8"-24

1/2" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A570 11.75

3/4" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A574 15.35

1" 0.25" 0.099" 3/16" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A578 17.27

5/16"-18

5/16" 0.203" 0.082" 5/32" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A540 10.16

3/8" 0.203" 0.082" 5/32" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A541 11.17

1/2" 0.203" 0.082" 5/32" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A542 15.54

5/8" 0.203" 0.082" 5/32" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A543 12.66

3/4" 0.203" 0.082" 5/32" 250° Rockwell C45 ASME B18.3, ASTM F912 10 95235A545 12.23

1" 0.203" 0.082" 5/32" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A548 4.56

1/2"-13

1/2" 0.344" 0.13" 1/4" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A621 10.97

3/4" 0.344" 0.13" 1/4" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A626 11.47

1" 0.344" 0.13" 1/4" 250° Rockwell C45 ASME B18.3, ASTM F912 5 95235A632 12.44

1/2"-20