Hardware Square Head / Set Screws / Inch / Coarse Thread UNC
A
●
THREAD SIZE (in - TPI)
A SCREW LENGTH (in)
1/4-20
5/16-18
3/8-16
PART NUMBER
THREAD SIZE (in - TPI)
A SCREW LENGTH (in)
PART NUMBER
THREAD SIZE (in - TPI)
A SCREW LENGTH (in)
PART NUMBER
3/8
4B-3565
3/8-16
1 1/4
4B-3576
5/8-11
1 1/2
1/2
4B-3594
4B-3566
1 1/2
4B-3577
1 3/4
4B-3595
1
4B-3569
3/4
1/2
4B-3570
1 1/2-13
2
4B-3596
4B-3580
2 1/2
4B-3598
4B-3581
4B-3571
7/8
1/2
4B-3572
1
4B-3582
5/8
4B-3573
1 1/4
4B-3583
3/4
4B-3574
1
1/2
7/8
4B-4994
1 3/4
1
4B-3575
2
3
4B-3599
1 1/2
4B-3601
1 3/4
4B-3602
4B-3584
2
4B-3603
4B-3585
2 1/2
4B-3604
4B-3586
3
4B-3605
3/4-10
Taper Lock / Studs / Inch / Coarse Thread UNC ● ● ● ●
THREAD SIZE (in - TPI)
A SCREW LENGTH (in)
3/8-16
Heat treated with a direct-hardening process. Hardened to Rockwell C 33 - 39. Designed with a taper point for a plug tap. Meet SAE grade 8 strength requirements.
PART NUMBER
THREAD SIZE (in - TPI)
A SCREW LENGTH (in)
1 9/16
2M-1538
1/2-13
1 3/4
2M-4779
2 2 3/16
A SCREW LENGTH (in)
PART NUMBER
PART NUMBER
THREAD SIZE (in - TPI)
1 3/4
2D-8153
5/8-11
2 5/8
2D-5238
2
3D-0490
2 13/16
4D-4823
1J-8668
2
3/16
5M-1932
15/16
6L-7655
4M-2743
2 3/8
2D-8154
3 1/8
3J-8154
3/8
8M-1871
5/8
4J-6925
9/16
3D-5963
2 5/8
3M-0496
2 13/16
4
5P-3887
13/16
7S-6719
15/16
5/8
4D-6579
2 15/16
9M-3296
3 1/8
1/8
2M-8411
3 9/16
2M-2488
2
2
3
228
2H-3881
3/4
5/8
A
1/2-13
Made of case-hardened steel with a full square head.
4
6L-4428
1 9/16
8M-8778
2
2
3
3D-0472 3D-6627
3/4-10
2
2D-8426
2 13/16
2D-8369
9/16
2D-8155
15/16
4D-6578
4
3D-0471
3 1/8
3/16
3D-4639
9/16
5J-6796
2 3/8
2D-8822
4
2P-1303
3 5/8-11
2
2
2
3
4D-7246
