1-800-723-5359

Metalworking Tools and Supplies

Shop

Express Order

Model # Qty

Info

Contact

Account

Alloy Flat Head 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

Steel Hex Nuts

Steel Hex Nuts.
Sold by the box; no broken boxes.
Fractional sizes 1/4" and larger are Zinc-coated Grade 8, class 2B.
Nuts smaller than 1/4" are plain Grade 2.
Quantity Price Model Description Size Thread
Out of stock
$2.40 HNN-2-56
#2-56 Hex Nuts, Steel Grade 2, plain, Box of 100 2 56

$2.00 HNN-3-48
#3-48 Hex Nuts, Steel Grade 2, plain, Box of 100 3 48

$2.90 HNN-4-40
#4-40 Hex Nuts, Steel Grade 2, plain, Box of 100 4 40

$4.10 HNN-5-40
#5-40 Hex Nuts, Steel Grade 2, plain, Box of 100 5 40

$3.15 HNN-6-32
#6-32 Hex Nuts, Steel Grade 2, plain, Box of 100 6 32

$2.60 HNN-8-32
#8-32 Hex Nuts, Steel Grade 2, plain, Box of 100 8 32

$3.05 HNN-10-24
#10-24 Hex Nuts, Steel Grade 2, plain, Box of 100 10 24
Out of stock
$3.05 HNN-10-32
#10-32 Hex Nuts, Steel Grade 2, plain, Box of 100 10 32

$5.20 HN-1/4-20
1/4-20 Hex Nuts, Steel Grade 8, Z/C, Box of 100, 4029-0005 1/4" 20

$8.65 HN-1/4-28
1/4-28 Hex Nuts, Steel Grade 8, Z/C, Box of 100 1/4" 28

$7.90 HN-5/16-18
5/16-18 Hex Nuts, Steel Grade 8, Z/C, Box of 100, 4029-0010 5/16" 18

$12.60 HN-5/16-24
5/16-24 Hex Nuts, Steel Grade 8, Z/C, Box of 100 5/16" 24

$11.60 HN-3/8-16
3/8-16 Hex Nuts, Steel Grade 8, Z/C, Box of 100, 4029-0015 3/8" 16

$17.65 HN-3/8-24
3/8-24 Hex Nuts, Steel Grade 8, Z/C, Box of 100 3/8" 24

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

$33.00 HN-7/16-20
7/16-20 Hex Nuts, Steel Grade 8, Z/C, Box of 100 7/16" 20

$23.20 HN-1/2-13
1/2-13 Hex Nuts, Steel Grade 8, Z/C, Box of 100, 4029-0020 1/2" 13

$40.50 HN-1/2-20
1/2-20 Hex Nuts, Steel Grade 8, Z/C, Box of 100 1/2" 20

$22.30 HN-5/8-11
5/8-11 Hex Nuts, Steel Grade 8, Z/C, Box of 50, 4029-0025 5/8" 11

$41.75 HN-5/8-18
5/8-18 Hex Nuts, Steel Grade 8, Z/C, Box of 50 5/8" 18

$36.30 HN-3/4-10
3/4-10 Hex Nuts, Steel Grade 8, Z/C, Box of 50, 4029-0030 3/4" 10

$65.40 HN-3/4-16
3/4-16 Hex Nuts, Steel Grade 8, Z/C, Box of 50 3/4" 16

Bondhus Balldriver Inch L Hex Keys,

Bondhus Balldriver L-shaped hex keys in inch sizes.
Can tighten or loosen a socket screw at angles up to 25 degrees.

Made in the USA by Bondhus.
Quantity Price Model Description Size Length

$1.08 HKBL-050
.050" Bondhus Balldriver L-Wrench .050" 2.9"

$1.08 HKBL-1/16
1/16" Bondhus Balldriver L-Wrench 1/16" 3.1

$1.08 HKBL-5/64
5/64" Bondhus Balldriver L-Wrench 5/64" 3.2

$1.12 HKBL-3/32
3/32" Bondhus Balldriver L-Wrench 3/32" 3.4

$1.24 HKBL-7/64
7/64" Bondhus Balldriver L-Wrench 7/64" 3.6

$1.31 HKBL-1/8
1/8" Bondhus Balldriver L-Wrench 1/8" 3.8

$1.31 HKBL-9/64
9/64" Bondhus Balldriver L-Wrench 9/64" 4.0

$1.35 HKBL-5/32
5/32" Bondhus Balldriver L-Wrench 5/32" 4.3

$1.58 HKBL-3/16
3/16" Bondhus Balldriver L-Wrench 3/16" 4.6

$1.89 HKBL-7/32
7/32" Bondhus Balldriver L-Wrench 7/32" 4.9

$2.20 HKBL-1/4
1/4" Bondhus Balldriver L-Wrench 1/4" 5.3

$3.46 HKBL-5/16
5/16" Bondhus Balldriver L-Wrench 5/16" 6.1

$4.84 HKBL-3/8
3/8" Bondhus Balldriver L-Wrench 3/8" 6.8

$10.04 HKBL-7/16
7/16" Bondhus Balldriver L-Wrench 7/16" 7.6

$12.85 HKBL-1/2
1/2" Bondhus Balldriver L-Wrench 1/2" 8.2