Shop

Express Order

Model # Qty

Info

Contact

Account

Flat Head Socket Screws

Flat Head Socket Cap Screws

Class 3A Thread Fit. Heat treated alloy steel flat head socket screws. Black finish.
Lengths over 1" may not be threaded all the way to the head.
82 degree countersink head.
The length of the countersunk hex screws is OVERALL LENGTH, including the head.
Quantity Price Model Description Overall Length Diameter Threads per Inch Key

$4.95 SCFA-4-1/4
4-40 x 1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0045 1/4" # 4 NC 40 1/16 Key

$5.05 SCFA-4-3/8
4-40 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0050 3/8" # 4 NC 40 1/16 Key

$5.30 SCFA-4-1/2
4-40 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0055 1/2" # 4 NC 40 1/16 Key

$5.50 SCFA-4-5/8
4-40 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0060 5/8" # 4 NC 40 1/16 Key

$6.05 SCFA-4-3/4
4-40 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0065 3/4" # 4 NC 40 1/16 Key

$5.15 SCFA-5-1/4
5-40 x 1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0070 1/4" # 5 NC 40 5/64 Key

$5.15 SCFA-5-3/8
5-40 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0075 3/8" # 5 NC 40 5/64 Key

$5.30 SCFA-5-1/2
5-40 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0080 1/2" # 5 NC 40 5/64 Key

$5.50 SCFA-5-5/8
5-40 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0085 5/8" # 5 NC 40 5/64 Key

$6.05 SCFA-5-3/4
5-40 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0090 3/4" # 5 NC 40 5/64 Key

$5.30 SCFA-6-1/4
6-32 x 1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0095 1/4" # 6 NC 32 5/64 Key

$5.40 SCFA-6-3/8
6-32 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0100 3/8" # 6 NC 32 5/64 Key

$5.50 SCFA-6-1/2
6-32 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0105 1/2" # 6 NC 32 5/64 Key

$5.70 SCFA-6-5/8
6-32 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0110 5/8" # 6 NC 32 5/64 Key

$6.15 SCFA-6-3/4
6-32 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0115 3/4" # 6 NC 32 5/64 Key

$5.40 SCFA-8-3/8
8-32 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0120 3/8" # 8 NC 32 3/32 Key

$5.60 SCFA-8-1/2
8-32 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0125 1/2" # 8 NC 32 3/32 Key

$6.05 SCFA-8-5/8
8-32 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0130 5/8" # 8 NC 32 3/32 Key

$6.15 SCFA-8-3/4
8-32 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0135 3/4" # 8 NC 32 3/32 Key

$7.05 SCFA-8-1
8-32 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4030-0140 1" # 8 NC 32 3/32 Key

$5.50 SCFA-10-3/8
10/24 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0145 3/8" # 10 NC 24 1/8 Key

$5.70 SCFA-10-1/2
10/24 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0150 1/2" # 10 NC 24 1/8 Key

$5.95 SCFA-10-5/8
10/24 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0155 5/8" # 10 NC 24 1/8 Key

$6.25 SCFA-10-3/4
10/24 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0160 3/4" # 10 NC 24 1/8 Key

$7.05 SCFA-10-1
10/24 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4030-0165 1" # 10 NC 24 1/8 Key

$8.35 SCFA-10-1-1/4
10/24 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0170 1-1/4" # 10 NC 24 1/8 Key

$9.80 SCFA-10-1-1/2
10/24 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0175 1-1/2" # 10 NC 24 1/8 Key

$5.50 SCFA-10F-3/8
10/32 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4031-0045 3/8" # 10 NF 32 1/8 Key

$5.70 SCFA-10F-1/2
10/32 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4031-0050 1/2" # 10 NF 32 1/8 Key

$5.95 SCFA-10F-5/8
10/32 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4031-0055 5/8" # 10 NF 32 1/8 Key

$6.25 SCFA-10F-3/4
10/32 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4031-0060 3/4" # 10 NF 32 1/8 Key

$7.05 SCFA-10F-1
10/32 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4031-0065 1" # 10 NF 32 1/8 Key

$8.35 SCFA-10F-1-1/4
10/32 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4031-0070 1-1/4" # 10 NF 32 1/8 Key

$9.80 SCFA-10F-1-1/2
10/32 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4031-0075 1-1/2" # 10 NF 32 1/8 Key

$6.60 SCFA-14-3/8
1/4-20 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0180 3/8" 1/4" NC 20 5/32 Key

$6.25 SCFA-14-1/2
1/4-20 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0185 1/2" 1/4" NC 20 5/32 Key

$6.60 SCFA-14-5/8
1/4-20 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0190 5/8" 1/4" NC 20 5/32 Key

$6.95 SCFA-14-3/4
1/4-20 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0195 3/4" 1/4" NC 20 5/32 Key

$8.35 SCFA-14-1
1/4-20 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4030-0200 1" 1/4" NC 20 5/32 Key

$10.10 SCFA-14-1-1/4
1/4-20 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0205 1-1/4" 1/4" NC 20 5/32 Key

$11.65 SCFA-14-1-1/2
1/4-20 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0210 1-1/2" 1/4" NC 20 5/32 Key

$14.20 SCFA-14-1-3/4
1/4-20 x 1-3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0215 1-3/4" 1/4" NC 20 5/32 Key

$16.40 SCFA-14-2
1/4-20 x 2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0220 2" 1/4" NC 20 5/32 Key

$8.80 SCFA-14F-3/8
1/4-28 x 3/8 Alloy Flat Head Socket Screws- 100 pcs; 4031-0080 3/8" 1/4" NF 28 5/32 Key

$8.80 SCFA-14F-1/2
1/4-28 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4031-0085 1/2" 1/4" NF 28 5/32 Key

$8.15 SCFA-14F-5/8
1/4-28 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4031-0090 5/8" 1/4" NF 28 5/32 Key

$9.00 SCFA-14F-3/4
1/4-28 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4031-0095 3/4" 1/4" NF 28 5/32 Key

$10.55 SCFA-14F-1
1/4-28 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4031-0100 1" 1/4" NF 28 5/32 Key

$13.00 SCFA-14F-1-1/4
1/4-28 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4031-0105 1-1/4" 1/4" NF 28 5/32 Key

$16.95 SCFA-14F-1-1/2
1/4-28 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4031-0110 1-1/2" 1/4" NF 28 5/32 Key

$9.00 SCFA-56-1/2
5/16-18 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0225 1/2" 5/16" NC 18 3/16 Key

$10.35 SCFA-56-5/8
5/16-18 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0230 5/8" 5/16" NC 18 3/16 Key

$11.00 SCFA-56-3/4
5/16-18 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0235 3/4" 5/16" NC 18 3/16 Key

$14.10 SCFA-56-1
5/16-18 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4030-0240 1" 5/16" NC 18 3/16 Key

$17.15 SCFA-56-1-1/4
5/16-18 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0245 1-1/4" 5/16" NC 18 3/16 Key

$19.05 SCFA-56-1-1/2
5/16-18 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0250 1-1/2" 5/16" NC 18 3/16 Key

$22.35 SCFA-56-1-3/4
5/16-18 x 1-3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0255 1-3/4" 5/16" NC 18 3/16 Key

$26.40 SCFA-56-2
5/16-18 x 2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0260 2" 5/16" NC 18 3/16 Key

$30.90 SCFA-56-2-1/4
5/16-18 x 2-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0265 2-1/4" 5/16" NC 18 3/16 Key

$34.55 SCFA-56-2-1/2
5/16-18 x 2-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0270 2-1/2" 5/16" NC 18 3/16 Key

$12.10 SCFA-56F-1/2
5/16-24 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4031-0115 1/2" 5/16" NF 24 3/16 Key

$12.45 SCFA-56F-5/8
5/16-24 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4031-0120 5/8" 5/16" NF 24 3/16 Key

$13.20 SCFA-56F-3/4
5/16-24 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4031-0125 3/4" 5/16" NF 24 3/16 Key

$16.70 SCFA-56F-1
5/16-24 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4031-0130 1" 5/16" NF 24 3/16 Key

$20.35 SCFA-56F-1-1/4
5/16-24 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4031-0135 1-1/4" 5/16" NF 24 3/16 Key

$22.45 SCFA-56F-1-1/2
5/16-24 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4031-0140 1-1/2" 5/16" NF 24 3/16 Key

$22.45 SCFA-38-1/2
3/8-16 x 1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0275 1/2" 3/8" NC 16 7/32 Key

$15.95 SCFA-38-5/8
3/8-16 x 5/8 Alloy Flat Head Socket Screws- 100 pcs; 4030-0280 5/8" 3/8" NC 16 7/32 Key

$17.60 SCFA-38-3/4
3/8-16 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0285 3/4" 3/8" NC 16 7/32 Key

$19.60 SCFA-38-1
3/8-16 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4030-0290 1" 3/8" NC 16 7/32 Key

$25.20 SCFA-38-1-1/4
3/8-16 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0295 1-1/4" 3/8" NC 16 7/32 Key

$26.75 SCFA-38-1-1/2
3/8-16 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0300 1-1/2" 3/8" NC 16 7/32 Key

$33.65 SCFA-38-1-3/4
3/8-16 x 1-3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0305 1-3/4" 3/8" NC 16 7/32 Key

$37.30 SCFA-38-2
3/8-16 x 2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0310 2" 3/8" NC 16 7/32 Key

$43.25 SCFA-38-2-1/4
3/8-16 x 2-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0315 2-1/4" 3/8" NC 16 7/32 Key

$23.75 SCFA-38-2-1/2
3/8-16 x 2-1/2 Alloy Flat Head Socket Screws- 50 pcs; 4030-0320 2-1/2" 3/8" NC 16 7/32 Key

$28.80 SCFA-38-3
3/8-16 x 3 Alloy Flat Head Socket Screws- 50 pcs; 4030-0325 3" 3/8" NC 16 7/32 Key

$30.35 SCFA-12-3/4
1/2-13 x 3/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0365 3/4" 1/2" NC 13 5/16 Key

$36.40 SCFA-12-1
1/2-13 x 1 Alloy Flat Head Socket Screws- 100 pcs; 4030-0370 1" 1/2" NC 13 5/16 Key

$42.80 SCFA-12-1-1/4
1/2-13 x 1-1/4 Alloy Flat Head Socket Screws- 100 pcs; 4030-0375 1-1/4" 1/2" NC 13 5/16 Key

$46.20 SCFA-12-1-1/2
1/2-13 x 1-1/2 Alloy Flat Head Socket Screws- 100 pcs; 4030-0380 1-1/2" 1/2" NC 13 5/16 Key

$28.40 SCFA-12-1-3/4
1/2-13 x 1-3/4 Alloy Flat Head Socket Screws- 50 pcs; 4030-0385 1-3/4" 1/2" NC 13 5/16 Key

$30.05 SCFA-12-2
1/2-13 x 2 Alloy Flat Head Socket Screws- 50 pcs; 4030-0390 2" 1/2" NC 13 5/16 Key

$35.75 SCFA-12-2-1/4
1/2-13 x 2-1/4 Alloy Flat Head Socket Screws- 50 pcs; 4030-0400 2-1/4" 1/2" NC 13 5/16 Key

$39.70 SCFA-12-2-1/2
1/2-13 x 2-1/2 Alloy Flat Head Socket Screws- 50 pcs; 4030-0405 2-1/2" 1/2" NC 13 5/16 Key

$47.75 SCFA-12-3
1/2-13 x 3 Alloy Flat Head Socket Screws- 50 pcs; 4030-0410 3" 1/2" NC 13 5/16 Key

$38.50 SCFA-58-1-1/4
5/8-11 x 1-1/4 Alloy Flat Head Socket Screws- 50 pcs; 4030-0415 1-1/4" 5/8" NC 11 3/8 Key

$42.25 SCFA-58-1-1/2
5/8-11 x 1-1/2 Alloy Flat Head Socket Screws- 50 pcs; 4030-0420 1-1/2" 5/8" NC 11 3/8 Key

$48.95 SCFA-58-1-3/4
5/8-11 x 1-3/4 Alloy Flat Head Socket Screws- 50 pcs; 4030-0425 1-3/4" 5/8" NC 11 3/8 Key

$51.15 SCFA-58-2
5/8-11 x 2 Alloy Flat Head Socket Screws- 50 pcs; 4030-0430 2" 5/8" NC 11 3/8 Key

$30.15 SCFA-58-2-1/4
5/8-11 x 2-1/4 Alloy Flat Head Socket Screws- 25 pcs; 4030-0435 2-1/4" 5/8" NC 11 3/8 Key

$32.65 SCFA-58-2-1/2
5/8-11 x 2-1/2 Alloy Flat Head Socket Screws- 25 pcs; 4030-0440 2-1/2" 5/8" NC 11 3/8 Key

$39.25 SCFA-58-3
5/8-11 x 3 Alloy Flat Head Socket Screws- 25 pcs; 4030-0445 3" 5/8" NC 11 3/8 Key