Steel Socket Head Cap Screws

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessTemp. RangePkg. Qty.Price
#2-56
Fully Threaded
5/64"
0.14"
0.086"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$35.01
#2-56
Fully Threaded
5/64"
0.14"
0.086"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$40.69
#2-56
Partially Threaded
5/64"
0.14"
0.086"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$46.20
#2-56
Partially Threaded
5/64"
0.14"
0.086"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$70.77
#2-56
Partially Threaded
5/64"
0.14"
0.086"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$86.51
#3-48
Partially Threaded
5/64"
0.161"
0.099"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$32.27
#4-40
Partially Threaded
3/32"
0.183"
0.112"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$34.06
#4-40
Partially Threaded
3/32"
0.183"
0.112"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$89.67
#5-40
Partially Threaded
3/32"
0.205"
1/8"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$23.96
#5-40
Partially Threaded
3/32"
0.205"
1/8"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$39.71

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessTemp. RangePkg. Qty.Price
#4-40
Fully Threaded
3/32"
0.183"
0.112"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$19.36
#4-40
Fully Threaded
3/32"
0.183"
0.112"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$24.74
#4-40
Fully Threaded
3/32"
0.183"
0.112"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$20.87
#4-40
Fully Threaded
3/32"
1/4"
0.112"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$21.89
#4-40
Partially Threaded
3/32"
1/4"
-
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$71.41
#6-32
Fully Threaded
7/64"
1/4"
1/8"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$19.81
#6-32
-
7/64"
0.226"
0.138"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$20.67
#6-32
Partially Threaded
7/64"
1/4"
0.138"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$27.41
#8-32
Fully Threaded
9/64"
0.27"
0.164"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$22.46
#8-32
Fully Threaded
9/64"
-
0.164"
180000 psi
Rockwell C37-C45
-50°F to +550°F
100
$23.34

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessTemp. RangePkg. Qty.Price
#10-24
Fully Threaded
1/8"
0.361"
0.101"
145000 psi
Rockwell C37-C45
-50°F to +550°F
100
$21.21
5/16"-18
Fully Threaded
3/16"
0.547"
0.166"
145000 psi
Rockwell C37-C45
-50°F to +550°F
50
$23.71
3/8"-16
Fully Threaded
7/32"
0.656"
0.199"
145000 psi
Rockwell C37-C45
-50°F to +550°F
25
$18.29
1/2"-13
Fully Threaded
5/16"
7/8"
0.265"
145000 psi
Rockwell C37-C45
-50°F to +550°F
10
$16.36
1/2"-13
Fully Threaded
5/16"
7/8"
0.265"
145000 psi
Rockwell C37-C45
-50°F to +550°F
10
$17.59
1/2"-13
Fully Threaded
5/16"
7/8"
0.265"
145000 psi
Rockwell C37-C45
-50°F to +550°F
10
$14.27
1/2"-13
Fully Threaded
5/16"
7/8"
0.265"
145000 psi
Rockwell C37-C45
-50°F to +550°F
10
$16.69
#10-32
Fully Threaded
1/8"
0.361"
0.101"
145000 psi
Rockwell C37-C45
-50°F to +550°F
100
$39.81
5/16"-24
Fully Threaded
3/16"
0.547"
0.166"
145000 psi
Rockwell C37-C45
-50°F to +550°F
50
$26.69
#4-40
Fully Threaded
1/16"
0.213"
0.059"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$40.04

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessTemp. RangePkg. Qty.Price
1/2"-13
Partially Threaded
5/16"
15/16"
0.251"
145000 psi
Rockwell C37-C44
-0°F to +250°F
10
$21.10
M4 x 0.7
Fully Threaded
2.5 mm
8.96 mm
2.48 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$9.66
M4 x 0.7
Fully Threaded
2.5 mm
8.96 mm
2.48 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$10.40
M4 x 0.7
Fully Threaded
2.5 mm
8.96 mm
2.48 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$5.70
M4 x 0.7
Fully Threaded
2.5 mm
8.96 mm
2.48 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$12.66
M4 x 0.7
Fully Threaded
2.5 mm
8.96 mm
2.48 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$10.39
M4 x 0.7
Fully Threaded
2.5 mm
8.96 mm
2.48 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$11.67
M5 x 0.8
Fully Threaded
3 mm
11.2 mm
3.2 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$7.61
M5 x 0.8
Fully Threaded
3 mm
11.2 mm
3.2 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$9.66
M5 x 0.8
Fully Threaded
3 mm
11.2 mm
3.2 mm
1000 N/sq. mm
Rockwell C32-C39
-100
$15.31

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessTemp. RangePkg. Qty.Price
#4-40
Fully Threaded
1/16"
0.213"
0.059"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$43.70
#4-40
Fully Threaded
1/16"
0.213"
0.059"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$38.00
#4-40
Fully Threaded
1/16"
0.213"
0.059"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$38.87
#6-32
Fully Threaded
5/64"
1/4"
0.073"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$52.51
#6-32
Fully Threaded
5/64"
1/4"
0.073"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$46.30
#6-32
Fully Threaded
5/64"
1/4"
0.073"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$43.03
#6-32
Fully Threaded
5/64"
1/4"
1/8"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$52.04
#8-32
Fully Threaded
3/32"
5/16"
0.078"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$9.91
#8-32
Fully Threaded
3/32"
5/16"
0.078"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$11.67
#8-32
Fully Threaded
3/32"
5/16"
0.078"
145000 psi
Rockwell C37-C44
-50°F to +550°F
100
$13.16
METRIC BLUE

Thread SizeDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessScrew LengthDisplay QtyPkg. Qty.Price
M3 x 0.5
2 mm
5.7 mm
1.6 mm
174000 psi
Rockwell C32-C39
8 mm
50
50
$7.69
M3 x 0.5
2 mm
5.7 mm
1.6 mm
174000 psi
Rockwell C32-C39
10 mm
50
50
$14.27
M3 x 0.5
2 mm
5.7 mm
1.6 mm
174000 psi
Rockwell C32-C39
12 mm
50
50
$13.71
M3 x 0.5
2 mm
5.7 mm
1.6 mm
174000 psi
Rockwell C32-C39
16 mm
50
50
$16.90
M4 x 0.7
2.5 mm
7.6 mm
2.2 mm
180000 psi
Rockwell C32-C39
--50
$9.44
M4 x 0.7
2.5 mm
7.6 mm
2.2 mm
180000 psi
Rockwell C32-C39
10 mm
25
25
$4.76
M4 x 0.7
2.5 mm
7.6 mm
2.2 mm
180000 psi
Rockwell C32-C39
12 mm
25
25
$5.37
M4 x 0.7
2.5 mm
7.6 mm
2.2 mm
180000 psi
Rockwell C32-C39
16 mm
25
25
$6.04
M4 x 0.7
2.5 mm
7.6 mm
2.2 mm
180000 psi
Rockwell C32-C39
20 mm
25
25
$6.76
M4 x 0.7
2.5 mm
7.6 mm
2.2 mm
180000 psi
Rockwell C32-C39
25 mm
25
25
$7.69
METRIC BLUE

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessScrew LengthPkg. Qty.Price
M3 x 0.5
Fully Threaded
2 mm
6 mm
1.7 mm
180000 psi
Rockwell C32-C39
8 mm
25
$3.50
M3 x 0.5
Fully Threaded
2 mm
6 mm
1.7 mm
180000 psi
Rockwell C32-C39
10 mm
25
$3.49
M3 x 0.5
Fully Threaded
2 mm
6 mm
1.7 mm
180000 psi
Rockwell C32-C39
12 mm
25
$3.89
M3 x 0.5
Fully Threaded
2 mm
6 mm
1.7 mm
180000 psi
Rockwell C32-C39
16 mm
25
$4.07
M3 x 0.5
Fully Threaded
2 mm
6 mm
1.7 mm
180000 psi
Rockwell C32-C39
20 mm
25
$3.46
M3 x 0.5
Fully Threaded
2 mm
6 mm
1.7 mm
180000 psi
Rockwell C32-C39
25 mm
25
$5.06
M4 x 0.7
Fully Threaded
2.5 mm
8 mm
2.3 mm
190000 psi
Rockwell C32-C39
8 mm
25
$3.67
M4 x 0.7
Fully Threaded
2.5 mm
8 mm
2.3 mm
190000 psi
Rockwell C32-C39
10 mm
25
$4.79
M4 x 0.7
Fully Threaded
2.5 mm
8 mm
2.3 mm
190000 psi
Rockwell C32-C39
-25
$4.66
M4 x 0.7
Fully Threaded
2.5 mm
8 mm
2.3 mm
190000 psi
Rockwell C32-C39
16 mm
25
$5.07
ARMOR COAT

Thread SizeThread StyleDrive SizeHead Dia.Head HeightScrew LengthDisplay QtyThread DirectionPkg. Qty.Price
#6-32
Fully Threaded
7/64"
0.226"
0.138"
1/2"
25
Right Hand
25
$9.39
#6-32
Fully Threaded
7/64"
0.226"
0.138"
5/8"
25
Right Hand
25
$10.01
#6-32
Fully Threaded
7/64"
0.226"
0.138"
3/4"
50
Right Hand
50
$12.87
#6-32
Fully Threaded
7/64"
0.226"
0.138"
7/8"
25
Right Hand
25
$12.59
#6-32
Fully Threaded
7/64"
0.226"
0.138"
1"
50
Right Hand
50
$55.67
#6-32
Partially Threaded
7/64"
0.226"
0.138"
1 1/4"
25
Right Hand
25
$17.53
#6-32
Partially Threaded
7/64"
0.226"
0.138"
1 1/2"
25
Right Hand
25
$19.76
#6-32
Partially Threaded
7/64"
0.226"
0.138"
2"
25
Right Hand
25
$28.56
#8-32
Fully Threaded
9/64"
0.27"
0.164"
3/8"
50
Right Hand
50
$20.71
#8-32
Fully Threaded
9/64"
0.27"
0.164"
1/2"
50
Right Hand
50
$20.81

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessTemp. RangePkg. Qty.Price
1/4"-20
Fully Threaded
1/8"
3/8"
0.127"
180000 psi
Rockwell C38
-65°F to +300°F
100
$86.79
M3 x 0.5
Fully Threaded
2 mm
5.5 mm
2 mm
116000 psi
Rockwell C22-C32
-100
$34.27
M3 x 0.5
Fully Threaded
2 mm
5.5 mm
2 mm
116000 psi
Rockwell C22-C32
-100
$34.24
M3 x 0.5
Fully Threaded
2 mm
5.5 mm
2 mm
116000 psi
Rockwell C22-C32
-100
$42.00
M3 x 0.5
Fully Threaded
2 mm
5.5 mm
2 mm
116000 psi
Rockwell C22-C32
-100
$37.14
M3 x 0.5
Partially Threaded
2 mm
5.5 mm
2 mm
116000 psi
Rockwell C22-C32
-100
$37.99
M3 x 0.5
Partially Threaded
2 mm
5.5 mm
2 mm
116000 psi
Rockwell C22-C32
-100
$27.76
M3 x 0.5
Partially Threaded
2 mm
5.5 mm
2 mm
116000 psi
Rockwell C22-C32
-50
$23.33
M4 x 0.7
Fully Threaded
2.5 mm
7 mm
2.8 mm
116000 psi
Rockwell C22-C32
-100
$31.47
M4 x 0.7
Fully Threaded
2.5 mm
7 mm
2.8 mm
116000 psi
Rockwell C22-C32
-100
$18.96
APPROVED VENDOR

Thread SizeThread StyleDrive SizeHead Dia.Head HeightScrew LengthDisplay QtyThread DirectionPkg. Qty.Price
M4 x 0.7
Fully Threaded
3 mm
7 mm
4 mm
8 mm
50
Right Hand
50
$52.96
M4 x 0.7
Fully Threaded
3 mm
7 mm
4 mm
10 mm
50
Right Hand
50
$46.69
M4 x 0.7
Fully Threaded
3 mm
7 mm
4 mm
12 mm
50
Right Hand
50
$46.79
M4 x 0.7
Partially Threaded
3 mm
7 mm
4 mm
16 mm
50
Right Hand
50
$35.83
M4 x 0.7
Partially Threaded
3 mm
7 mm
4 mm
20 mm
50
Right Hand
50
$45.86
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
5 mm
10 mm
25
Right Hand
25
$42.16
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
5 mm
12 mm
25
Right Hand
25
$40.46
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
5 mm
16 mm
25
Right Hand
25
$31.09
M5 x 0.8
Partially Threaded
4 mm
8.5 mm
5 mm
20 mm
25
Right Hand
25
$45.06
M6 x 1
Fully Threaded
5 mm
10 mm
6 mm
16 mm
10
Right Hand
10
$21.09

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessScrew LengthPkg. Qty.Price
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
800 N/sq. mm
Rockwell C22-C34
8 mm
100
$57.56
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
800 N/sq. mm
Rockwell C22-C34
10 mm
100
$30.21
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
800 N/sq. mm
Rockwell C22-C34
12 mm
100
$34.59
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
800 N/sq. mm
Rockwell C22-C34
16 mm
100
$44.11
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
800 N/sq. mm
Rockwell C22-C34
20 mm
100
$16.26
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
800 N/sq. mm
Rockwell C22-C34
25 mm
100
$50.63
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
3.5 mm
800 N/sq. mm
Rockwell C22-C34
10 mm
100
$43.44
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
3.5 mm
800 N/sq. mm
Rockwell C22-C34
12 mm
100
$39.76
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
3.5 mm
800 N/sq. mm
Rockwell C22-C34
16 mm
100
$40.34
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
3.5 mm
800 N/sq. mm
Rockwell C22-C34
20 mm
100
$39.34
GRAINGER

Thread SizeThread StyleDrive SizeHead Dia.Head HeightScrew LengthDisplay QtyThread DirectionPkg. Qty.Price
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
6 mm
100
Right Hand
100
$30.77
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
8 mm
100
Right Hand
100
$28.56
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
10 mm
100
Right Hand
100
$19.34
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
12 mm
100
Right Hand
100
$26.53
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
16 mm
100
Right Hand
100
$36.84
M4 x 0.7
Fully Threaded
3 mm
7 mm
2.8 mm
20 mm
100
Right Hand
100
$36.83
M5 x 0.8
Fully Threaded
3 mm
8.5 mm
3.5 mm
8 mm
100
Right Hand
100
$23.10
M5 x 0.8
Fully Threaded
3 mm
8.5 mm
3.5 mm
10 mm
100
Right Hand
100
$18.64
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
3.5 mm
--
Right Hand
100
$19.46
M5 x 0.8
Fully Threaded
4 mm
8.5 mm
3.5 mm
16 mm
100
Right Hand
100
$28.56

Thread SizeThread StyleDrive SizeHead Dia.Head HeightScrew LengthDisplay QtyThread DirectionPkg. Qty.Price
M3 x 0.5
Fully Threaded
2 mm
5.7 mm
1.65 mm
6 mm
100
Right Hand
100
$10.04
M3 x 0.5
Fully Threaded
2 mm
5.7 mm
1.65 mm
8 mm
100
Right Hand
100
$10.14
M3 x 0.5
Fully Threaded
2 mm
5.7 mm
1.65 mm
10 mm
100
Right Hand
100
$10.83
M3 x 0.5
Fully Threaded
2 mm
5.7 mm
1.65 mm
12 mm
100
Right Hand
100
$8.49
M3 x 0.5
Partially Threaded
2 mm
5.7 mm
1.65 mm
16 mm
100
Right Hand
100
$8.43
M3 x 0.5
Partially Threaded
2 mm
5.7 mm
1.65 mm
30 mm
100
Right Hand
100
$25.31
M4 x 0.7
Fully Threaded
2.5 mm
7.6 mm
2.2 mm
6 mm
100
Right Hand
100
$12.24
M4 x 0.7
Fully Threaded
2.5 mm
7.6 mm
2.2 mm
8 mm
100
Right Hand
100
$12.30
M4 x 0.7
Fully Threaded
3 mm
7.6 mm
2.2 mm
--
Right Hand
100
$12.49
M4 x 0.7
Fully Threaded
2.5 mm
7.6 mm
2.2 mm
12 mm
100
Right Hand
100
$23.67

Thread SizeThread StyleDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessTemp. RangePkg. Qty.Price
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$9.50
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$9.76
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$12.07
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$10.67
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$14.40
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$15.06
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$17.56
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$22.71
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$20.31
M3 x 0.5
Fully Threaded
2 mm
6.72 mm
1.86 mm
800 N/sq. mm
Rockwell C22-C34
-58°F to +302°F
100
$246.36

Thread SizeDrive SizeHead Dia.Head HeightMin. Tensile StrengthHardnessScrew LengthTensile StrengthPkg. Qty.Price
3/8"-16
5/16"
0.562"
3/8"
180000 psi
Rockwell C37-C45
1"
180000 psi
50
$32.01
M5 x 0.8
4 mm
8.5 mm
5 mm
174000 psi
Rockwell C38
8 mm
174000 psi
50
$12.96

Description

Steel socket head cap screws are fasteners that are used in a wide range of applications. They are made of steel, making them highly durable and strong. Socket head cap screws have a cylindrical head with a flat top, a hexagonal recess and a threaded body. They are designed to be driven with a socket wrench or a hex key, and are commonly used in the automotive, aerospace and construction industries. Socket head cap screws are often used to secure parts together and can be inserted into pre-tapped holes. They are available in a variety of sizes and finishes, making them a versatile and reliable choice for many projects.

Features

  • They feature cylindrical heads and internal hexagonal sockets for improved grip.
  • These steel sockets offer zinc plated / black oxide finish for a smooth appearance when fastened.
  • They have high-quality steel construction and precision threading to ensure durability, strength and excellent load.

Frequently Asked Questions