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Alloy Button Head Screws

Alloy Button Head Socket Cap Screws

Class 3A Thread Fit. Heat treated alloy steel. Black finish.
Lengths over 1" may not be threaded all the way to the head.
The length of the screw is LENGTH UNDER THE HEAD, not including the head.
Quantity Price Model Description Length under Head Diameter Threads per Inch

$3.90 SCBA-4-1/4
4-40 x 1/4 Alloy Button Head Socket Screws-100 1/4" # 4 UNC 40

$4.00 SCBA-4-3/8
4-40 x 3/8 Alloy Button Head Socket Screws-100 3/8" # 4 UNC 40

$4.50 SCBA-4-1/2
4-40 x 1/2 Alloy Button Head Socket Screws-100 1/2" # 4 UNC 40

$4.30 SCBA-6-1/4
6-32 x 1/4 Alloy Button Head Socket Screws-100 1/4" # 6 UNC 32

$4.40 SCBA-6-3/8
6-32 x 3/8 Alloy Button Head Socket Screws-100 3/8" # 6 UNC 32

$4.50 SCBA-6-1/2
6-32 x 1/2 Alloy Button Head Socket Screws-100 1/2" # 6 UNC 32

$4.80 SCBA-6-5/8
6-32 x 5/8 Alloy Button Head Socket Screws-100 5/8" # 6 UNC 32

$4.40 SCBA-8-1/4
8-32 x 1/4 Alloy Button Head Socket Screws-100 1/4" # 8 UNC 32

$4.50 SCBA-8-3/8
8-32 x 3/8 Alloy Button Head Socket Screws-100 3/8" # 8 UNC 32

$4.80 SCBA-8-1/2
8-32 x 1/2 Alloy Button Head Socket Screws-100 1/2" # 8 UNC 32

$5.40 SCBA-8-5/8
8-32 x 5/8 Alloy Button Head Socket Screws-100 5/8" # 8 UNC 32

$5.40 SCBA-8-3/4
8-32 x 3/4 Alloy Button Head Socket Screws-100 3/4" # 8 UNC 32

$4.50 SCBA-10-1/4
10-24 x 1/4 Alloy Button Head Socket Screws-100 1/4" # 10 UNC 24

$4.60 SCBA-10-3/8
10-24 x 3/8 Alloy Button Head Socket Screws-100 3/8" # 10 UNC 24

$4.90 SCBA-10-1/2
10-24 x 1/2 Alloy Button Head Socket Screws-100 1/2" # 10 UNC 24

$5.20 SCBA-10-5/8
10-24 x 5/8 Alloy Button Head Socket Screws-100 5/8" # 10 UNC 24

$5.50 SCBA-10-3/4
10-24 x 3/4 Alloy Button Head Socket Screws-100 3/4" # 10 UNC 24

$5.80 SCBA-10-7/8
10-24 x 7/8 Alloy Button Head Socket Screws-100 7/8" # 10 UNC 24

$6.50 SCBA-10-1
10-24 x 1 Alloy Button Head Socket Screws-100 1" # 10 UNC 24

$4.50 SCBA-10F-1/4
10-32 x 1/4 Alloy Button Head Socket Screws-100 1/4" # 10 UNF 32

$4.60 SCBA-10F-3/8
10-32 x 3/8 Alloy Button Head Socket Screws-100 3/8" # 10 UNF 32

$4.90 SCBA-10F-1/2
10-32 x 1/2 Alloy Button Head Socket Screws-100 1/2" # 10 UNF 32

$5.20 SCBA-10F-5/8
10-32 x 5/8 Alloy Button Head Socket Screws-100 5/8" # 10 UNF 32

$5.50 SCBA-10F-3/4
10-32 x 3/4 Alloy Button Head Socket Screws-100 3/4" # 10 UNF 32

$5.80 SCBA-10F-7/8
10-32 x 7/8 Alloy Button Head Socket Screws-100 7/8" # 10 UNF 32

$6.50 SCBA-10F-1
10-32 x 1 Alloy Button Head Socket Screws-100 1" # 10 UNF 32

$5.40 SCBA-14-3/8
1/4-20 x 3/8 Alloy Button Head Socket Screws-100 3/8" 1/4" UNC 20

$5.60 SCBA-14-1/2
1/4-20 x 1/2 Alloy Button Head Socket Screws-100 1/2" 1/4" UNC 20

$6.00 SCBA-14-5/8
1/4-20 x 5/8 Alloy Button Head Socket Screws-100 5/8" 1/4" UNC 20

$6.40 SCBA-14-3/4
1/4-20 x 3/4 Alloy Button Head Socket Screws-100 3/4" 1/4" UNC 20

$7.60 SCBA-14-7/8
1/4-20 x 7/8 Alloy Button Head Socket Screws-100 7/8" 1/4" UNC 20

$8.20 SCBA-14-1
1/4-20 x 1 Alloy Button Head Socket Screws-100 1" 1/4" UNC 20

$6.00 SCBA-14F-3/8
1/4-28 x 3/8 Alloy Button Head Socket Screws-100 3/8" 1/4" UNF 28

$6.60 SCBA-14F-1/2
1/4-28 x 1/2 Alloy Button Head Socket Screws-100 1/2" 1/4" UNF 28

$7.00 SCBA-14F-5/8
1/4-28 x 5/8 Alloy Button Head Socket Screws-100 5/8" 1/4" UNF 28

$7.90 SCBA-14F-3/4
1/4-28 x 3/4 Alloy Button Head Socket Screws-100 3/4" 1/4" UNF 28

$9.90 SCBA-14F-1
1/4-28 x 1 Alloy Button Head Socket Screws-100 1" 1/4" UNF 28

$9.60 SCBA-56-3/8
5/16-18 x 3/8 Alloy Button Head Socket Screws-100 3/8" 5/16" UNC 18

$9.30 SCBA-56-1/2
5/16-18 x 1/2 Alloy Button Head Socket Screws-100 1/2" 5/16" UNC 18

$10.00 SCBA-56-5/8
5/16-18 x 5/8 Alloy Button Head Socket Screws-100 5/8" 5/16" UNC 18

$10.60 SCBA-56-3/4
5/16-18 x 3/4 Alloy Button Head Socket Screws-100 3/4" 5/16" UNC 18

$13.20 SCBA-56-7/8
5/16-18 x 7/8 Alloy Button Head Socket Screws-100 7/8" 5/16" UNC 18

$14.30 SCBA-56-1
5/16-18 x 1 Alloy Button Head Socket Screws-100 1" 5/16" UNC 18

$21.20 SCBA-38-1/2
3/8-16 x 1/2 Alloy Button Head Socket Screws-100 1/2" 3/8" UNC 16

$16.50 SCBA-38-5/8
3/8-16 x 5/8 Alloy Button Head Socket Screws-100 5/8" 3/8" UNC 16

$17.00 SCBA-38-3/4
3/8-16 x 3/4 Alloy Button Head Socket Screws-100 3/4" 3/8" UNC 16

$20.10 SCBA-38-7/8
3/8-16 x 7/8 Alloy Button Head Socket Screws-100 7/8" 3/8" UNC 16

$20.80 SCBA-38-1
3/8-16 x 1 Alloy Button Head Socket Screws-100 1" 3/8" UNC 16

$25.90 SCBA-38-1-1/4
3/8-16 x 1-1/4 Alloy Button Head Socket Screws-100 1-1/4" 3/8" UNC 16

$41.60 SCBA-12-1
1/2-13 x 1 Alloy Button Head Socket Screws-100 1" 1/2" UNC 13

$48.20 SCBA-12-1-1/4
1/2-13 x 1-1/4 Alloy Button Head Socket Screws-100 1-1/4" 1/2" UNC 13

$55.80 SCBA-12-1-1/2
1/2-13 x 1-1/2 Alloy Button Head Socket Screws-100 1-1/2" 1/2" UNC 13

$35.00 SCBA-12-2
1/2-13 x 2 Alloy Button Head Socket Screws-50 2" 1/2" UNC 13

Steel Hex Nuts

Zinc plated. 100 per box.
Fractional sizes 1/4" and larger are grade 8, class 2B.
Smaller sizes are not grade 8.
Quantity Price Model Description Size Thread

$2.00 HNN-2-56
#2-56 Steel Hex Nuts- Box of 100 2 56

$2.00 HNN-3-48
#3-48 Steel Hex Nuts- Box of 100 3 48

$2.00 HNN-4-40
#4-40 Steel Hex Nuts- Box of 100 4 40

$2.00 HNN-5-40
#5-40 Steel Hex Nuts- Box of 100 5 40

$2.00 HNN-6-32
#6-32 Steel Hex Nuts- Box of 100 6 32

$2.00 HNN-8-32
#8-32 Steel Hex Nuts- Box of 100 8 32

$2.00 HNN-10-24
#10-24 Steel Hex Nuts- Box of 100 10 24

$2.00 HNN-10-32
#10-32 Steel Hex Nuts- Box of 100 10 32

$5.20 HN-1/4-20
1/4-20 Grade 8 Steel Hex Nuts- Box of 100 1/4" 20

$5.20 HN-1/4-28
1/4-28 Grade 8 Steel Hex Nuts- Box of 100 1/4" 28

$7.90 HN-5/16-18
5/16-18 Grade 8 Steel Hex Nuts- Box of 100 5/16" 18

$7.90 HN-5/16-24
5/16-24 Grade 8 Steel Hex Nuts- Box of 100 5/16" 24

$11.60 HN-3/8-16
3/8-16 Grade 8 Steel Hex Nuts- Box of 100 3/8" 16

$11.60 HN-3/8-24
3/8-24 Grade 8 Steel Hex Nuts- Box of 100 3/8" 24

$17.00 HN-7/16-14
7/16-14 Grade 8 Steel Hex Nuts- Box of 100 7/16" 14

$19.30 HN-7/16-20
7/16-20 Grade 8 Steel Hex Nuts- Box of 100 7/16" 20

$23.20 HN-1/2-13
1/2-13 Grade 8 Steel Hex Nuts- Box of 100 1/2" 13

$25.00 HN-1/2-20
1/2-20 Grade 8 Steel Hex Nuts- Box of 100 1/2" 20

$22.30 HN-5/8-11
5/8-11 Grade 8 Steel Hex Nuts- Box of 50 5/8" 11

$24.50 HN-5/8-18
5/8-18 Grade 8 Steel Hex Nuts- Box of 50 5/8" 18

$36.30 HN-3/4-10
3/4-10 Grade 8 Steel Hex Nuts- Box of 50 3/4" 10

$38.30 HN-3/4-16
3/4-16 Grade 8 Steel Hex Nuts- Box of 50 3/4" 16