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Machine Screws
Phillips Flat Machine Screws NC
Slotted Flat Machine Screw NC
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.		 Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
2-56 x 1/4 31110204xx
.60
50,000
4-40 x 1/4 31110404xx
.70
50,000
4-40 x 1/2 31110408xx
1.20
46,000
4-40 x 5/8 31110410xx
1.40
34,000
6-32 x 1/4 31110604xx
1.10
46,000
6-32 x 5/16 31110605xx
1.20
34,000
6-32 x 3/8 31110606xx
1.50
34,000
6-32 x 1/2 31110608xx
2.00
26,000
6-32 x 5/8 31110610xx
2.30
22,000
6-32 x 3/4 31110612xx
2.60
18,000
6-32 x 7/8 31110614xx
3.00
18,000
6-32 x 1 31110616xx
3.30
10,000
6-32 x 1 1/2 31110620xx
4.90
7,500
6-32 x 2 31110624xx
5.40
4,000
6-32 x 3 31110628xx
7.30
1,800
8-32 x 1/4 31110804xx
1.70
30,000
8-32 x 3/8 31110806xx
2.30
23,000
8-32 x 1/2 31110808xx
2.90
18,000
8-32 x 3/4 31110812xx
4.00
12,000
8-32 x 7/8 31110814xx
4.50
10,000
8-32 x 1 31110816xx
5.00
9,000
8-32 x 1 1/4 31110818xx
6.10
6,500
8-32 x 1 1/2 31110820xx
7.20
5,000
8-32 x 2 31110824xx
9.30
3,600
10-24 x 3/8 31111006xx
3.20
16,000
10-24 x 1/2 31111008xx
4.00
12,000
10-24 x 5/8 31111010xx
4.60
10,000
10-24 x 3/4 31111012xx
5.30
9,000
10-24 x 1 31111016xx
6.60
6,500
10-24 x 1 1/4 31111018xx
8.00
5,000
10-24 x 1 1/2 31111020xx
9.40
4,000
10-24 x 1 3/4 31111022xx
10.90
3,400
10-24 x 2 31111024xx
12.40
2,800
10-24 x 2 1/2 31111026xx
15.40
2,000
10-24 x 3 31111028xx
18.30
1,800
10-24 x 3 1/2 31111030xx
21.20
1,500
10-24 x 4 31111032xx
24.10
1,200
1/4-20 x 3/8 31111406xx
5.90
7,000
1/4-20 x 1/2 31111408xx
7.60
7,000
1/4-20 x 5/8 31111410xx
8.90
6,000
1/4-20 x 3/4 31111412xx
10.10
5,000
1/4-20 x 1 31111416xx
12.60
4,000
1/4-20 x 1 1/4 31111418xx
15.10
3,000
1/4-20 x 1 1/2 31111420xx
17.70
2,500
1/4-20 x 2 31111424xx
22.70
1,700
1/4-20 x 2 1/4 31111425xx
25.00
1,500
1/4-20 x 2 1/2 31111426xx
27.30
1,300
1/4-20 x 3 31111428xx
32.40
1,000
1/4-20 x 4 31111432xx
42.50
900
5/16-18 x 1/2 31112508xx
13.30
3,000
5/16-18 x 3/4 31112512xx
17.30
3,000
5/16-18 x 1 31112516xx
21.30
2,500
5/16-18 x 1 1/2 31112520xx
32.20
1,500
Size
Part Number
Weight Pounds/M
Carton Quantity
2-56 x 1/4 31210204xx
.40
50,000
2-56 x 3/8 31210206xx
.60
50,000
2-56 x 1/2 31210208xx
.80
50,000
2-56 x 1 31210216xx
1.20
50,000
4-40 x 1/4 31210404xx
.70
50,000
4-40 x 3/8 31210406xx
1.00
50,000
4-40 x 1/2 31210408xx
1.20
46,000
4-40 x 5/8 31210410xx
1.40
34,000
4-40 x 3/4 31210412xx
1.60
26,000
4-40 x 1 31210416xx
2.10
18,000
4-40 x 1 1/2 31210420xx
3.10
10,000
6-32 x 1/4 31210604xx
1.10
46,000
6-32 x 3/8 31210606xx
1.50
34,000
6-32 x 1/2 31210608xx
2.00
26,000
6-32 x 3/4 31210612xx
2.60
18,000
6-32 x 1 31210616xx
3.30
10,000
6-32 x 1 1/4 31210618xx
4.00
9,500
6-32 x 1 1/2 31210620xx
4.90
7,500
6-32 x 2 31210624xx
6.20
4,000
6-32 x 2 1/2 31210626xx
7.90
3,000
6-32 x 3 31210628xx
10.90
2,500
6-32 x 4 31210632xx
13.90
2,000
8-32 x 1/4 31210804xx
1.70
31,000
8-32 x 3/8 31210806xx
2.30
23,000
8-32 x 1/2 31210808xx
2.90
18,000
8-32 x 5/8 31210810xx
3.40
15,000
8-32 x 3/4 31210812xx
4.00
12,000
8-32 x 1 31210816xx
5.00
9,000
8-32 x 1 1/4 31210818xx
6.10
6,500
8-32 x 1 1/2 31210820xx
7.20
5,000
8-32 x 1 3/4 31210822xx
7.80
4,500
8-32 x 2 31210824xx
8.30
4,000
8-32 x 2 1/2 31210826xx
11.50
2,500
8-32 x 3 31210828xx
12.70
2,000
8-32 x 4 31210832xx
15.10
1,500
10-24 x 3/8 31211006xx
3.20
16,000
10-24 x 1/2 31211008xx
4.00
13,000
10-24 x 3/4 31211012xx
5.30
9,000
10-24 x 1 31211016xx
6.60
6,500
10-24 x 1 1/4 31211018xx
8.00
5,000
10-24 x 1 1/2 31211020xx
9.40
4,000
10-24 x 1 3/4 31211022xx
10.90
3,400
10-24 x 2 31211024xx
12.40
2,800
10-24 x 2 1/2 31211026xx
15.40
2,000
10-24 x 3 31211028xx
18.30
1,800
10-24 x 4 31211032xx
24.10
1,200
10-24 x 5 31211036xx
27.00
1,000
10-24 x 6 31211040xx
29.90
800
12-24 x 1/2 31211208xx
5.30
10,000
12-24 x 3/4 31211212xx
7.20
7,000
12-24 x 1 31211216xx
9.00
5,500
12-24 x 1 1/4 31211218xx
10.90
4,000
12-24 x 1 1/2 31211220xx
12.90
3,400
12-24 x 2 31211224xx
15.80
2,500
1/4-20 x 1/2 31211408xx
7.60
7,000
1/4-20 x 5/8 31211410xx
8.90
6,000
1/4-20 x 3/4 31211412xx
10.10
5,000
1/4-20 x 1 31211416xx
12.60
4,000
1/4-20 x 1 1/4 31211418xx
15.10
3,000
1/4-20 x 1 1/2 31211420xx
17.70
2,500
1/4-20 x 1 3/4 31211422xx
20.30
2,000
1/4-20 x 2 31211424xx
22.70
1,700
1/4-20 x 2 1/2 31211426xx
27.30
1,300
1/4-20 x 3 31211428xx
32.40
1,000
1/4-20 x 4 31211432xx
42.50
900
1/4-20 x 5 31211436xx
52.60
750
1/4-20 x 6 31211440xx
62.70
700
5/16-18 x 3/4 31212512xx
17.30
3,000
5/16-18 x 1 31212516xx
21.30
2,500
5/16-18 x 1 1/4 31212518xx
27.20
2,000
5/16-18 x 1 1/2 31212520xx
32.20
1,500
5/16-18 x 2 31212524xx
42.20
1,000
5/16-18 x 2 1/2 31212526xx
52.20
800
5/16-18 x 3 31212528xx
62.20
600
5/16-18 x 4 31212532xx
78.20
600
5/16-18 x 5 31212536xx
98.00
500
5/16-18 x 6 31212540xx
105.80
400
3/8-16 x 3/4 31212612xx
27.10
1,800
3/8-16 x 1 31212616xx
33.70
1,500
3/8-16 x 1 1/4 31212618xx
39.50
1,200
3/8-16 x 1 1/2 31212620xx
45.30
1,000
3/8-16 x 2 31212624xx
57.40
800
3/8-16 x 2 1/2 31212626xx
69.50
600
3/8-16 x 3 31212628xx
86.50
500
3/8-16 x 3 1/2 31212630xx
88.00
400
3/8-16 x 4 31212632xx
98.30
400
3/8-16 x 5 31212636xx
110.50
300
3/8-16 x 6 31212640xx
123.00
250
Phillips Flat Machine Screws NF
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
10-32 x 5/8 32111010xx
4.60
11,000
10-32 x 3/4 32111012xx
5.20
9,000
10-32 x 1 32111016xx
6.60
6,000
10-32 x 1 1/4 32111018xx
8.00
5,000
10-32 x 1 1/2 32111020xx
9.40
4,000
10-32 x 1 3/4 32111022xx
11.00
4,000
Phillips Pan Machine Screws NC
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
3-48 x 1/8 31120302xx
.80
50,000
4-40 x 1/4 31120404xx
1.00
50,000
4-40 x 5/16 31120405xx
1.10
50,000
4-40 x 3/8 31120406xx
1.20
44,000
4-40 x 1/2 31120408xx
1.40
34,000
4-40 x 5/8 31120410xx
1.50
30,000
4-40 x 1 31120416xx
1.70
20,000
4-40 x 1 1/2 31120420xx
1.90
15,000
6-32 x 1/4 31120604xx
1.70
34,000
6-32 x 3/8 31120606xx
2.10
26,000
6-32 x 1/2 31120608xx
2.30
21,000
6-32 x 5/8 31120610xx
2.80
17,000
6-32 x 3/4 31120612xx
3.00
14,000
6-32 x 1 31120616xx
3.70
10,000
6-32 x 1 1/4 31120618xx
4.40
9,000
6-32 x 1 1/2 31120620xx
5.10
7,000
6-32 x 2 31120624xx
5.80
5,000
8-32 x 1/4 31120804xx
2.80
22,000
8-32 x 3/8 31120806xx
3.30
17,000
8-32 x 1/2 31120808xx
3.80
14,000
8-32 x 5/8 31120810xx
4.40
14,000
8-32 x 3/4 31120812xx
4.90
9,500
8-32 x 7/8 31120814xx
5.40
8,000
8-32 x 1 31120816xx
6.00
7,000
8-32 x 1 1/4 31120818xx
8.50
6,000
8-32 x 1 1/2 31120820xx
10.00
5,000
8-32 x 1 3/4 31120822xx
11.60
4,000
8-32 x 2 31120824xx
13.10
3,500
10-24 x 1/4 31121004xx
4.60
15,000
10-24 x 3/8 31121006xx
4.90
12,000
10-24 x 7/16 31121007xx
5.10
10,000
10-24 x 1/2 31121008xx
5.20
10,000
10-24 x 5/8 31121010xx
5.80
8,000
10-24 x 3/4 31121012xx
6.50
7,000
10-24 x 1 31121016xx
8.10
5,500
10-24 x 1 1/4 31121018xx
9.40
4,300
10-24 x 1 1/2 31121020xx
11.40
3,500
10-24 x 2 31121024xx
14.70
2,000
10-24 x 3 31121028xx
23.30
1,500
1/4-20 x 3/8 31121406xx
9.90
5,500
1/4-20 x 1/2 31121408xx
11.00
5,000
1/4-20 x 5/8 31121410xx
12.00
4,500
1/4-20 x 3/4 31121412xx
12.90
4,500
1/4-20 x 1 31121416xx
15.50
3,200
1/4-20 x 1 1/4 31121418xx
18.00
2,500
1/4-20 x 1 1/2 31121420xx
20.50
2,000
1/4-20 x 1 3/4 31121422xx
23.30
1,700
1/4-20 x 2 31121424xx
25.80
1,500
1/4-20 x 2 1/2 31121426xx
30.80
1,300
1/4-20 x 3 31121428xx
36.20
1,000
1/4-20 x 4 31121432xx
41.80
700
5/16-18 x 3/4 31122512xx
24.45
3,000
5/16-18 x 1 1/4 31122518xx
31.64
2,000
5/16-18 x 2 31122524xx
44.71
1,200
5/16-18 x 2 1/2 31122526xx
53.28
1,000
Slotted Flat Machine Screws NF
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
10-32 x 1/2 32211008xx
4.00
13,000
10-32 x 5/8 32211010xx
4.60
11,000
10-32 x 3/4 32211012xx
5.20
9,000
10-32 x 1 32211016xx
6.60
6,500
10-32 x 1 1/4 32211018xx
8.00
5,000
10-32 x 1 1/2 32211020xx
9.40
4,000
10-32 x 2 32211024xx
12.40
2,800
10-32 x 2 1/2 32211026xx
15.40
2,000
10-32 x 3 32211028xx
18.30
1,800
Slotted Truss Machine Screws NC
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
6-32 x 2 31240624xx
6.80
4,000
6-32 x 3 31240628xx
9.80
2,500
6-32 x 4 31240628xx
12.00
2,000
8-32 x 1/4 31240804xx
2.90
20,000
8-32 x 1/2 31240808xx
3.90
14,000
8-32 x 1 31240816xx
5.90
7,000
10-24 x 3/8 31241006xx
4.80
12,000
10-24 x 1/2 31241008xx
5.40
10,000
10-24 x 5/8 31241010xx
6.20
8,500
10-24 x 2 31241024xx
13.60
2,500
10-24 x 3 31241028xx
19.40
1,500
10-24 x 4 31241032xx
25.00
1,200
1/4-20 x 1/2 31241408xx
10.70
5,000
1/4-20 x 3/4 31241412xx
13.10
4,000
1/4-20 x 1 31241416xx
15.70
3,200
1/4-20 x 1 1/4 31241418xx
17.80
2,500
1/4-20 x 1 1/2 31241420xx
20.80
2,100
1/4-20 x 2 31241424xx
25.80
1,500
1/4-20 x 3 31241428xx
35.60
950
1/4-20 x 4 31241432xx
45.40
750
1/4-20 x 5 31241436xx
55.00
500
1/4-20 x 6 31241440xx
65.00
500
Phillips Pan Machine Screws NF
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
10-32 x 1/4 32121004xx
4.04
12,000
10-32 x 5/16 32121005xx
4.50
12,000
10-32 x 3/8 32121006xx
4.98
12,000
10-32 x 7/16 32121007xx
5.24
11,000
10-32 x 1/2 32121008xx
5.75
10,000
10-32 x 5/8 32121010xx
6.45
3,125
10-32 x 3/4 32121012xx
7.22
7,000
10-32 x 1 32121016xx
8.10
5,500
10-32 x 1 1/4 32121018xx
9.40
4,300
10-32 x 1 1/2 32121020xx
11.40
3,500
10-32 x 2 32121024xx
14.70
2,000
Phillips Truss Machine Screws NC
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
6-32 x 1/4 31140604xx
1.70
34,000
6-32 x 1/2 31140608xx
2.30
21,000
6-32 x 5/8 31140610xx
2.80
17,000
6-32 x 3/4 31140612xx
3.00
14,000
6-32 x 7/8 31140614xx
3.62
10,000
8-32 x 1/4 31140804xx
2.70
20,000
8-32 x 5/16 31140805xx
3.10
19,000
8-32 x 3/8 31140806xx
3.40
17,000
8-32 x 1/2 31140808xx
3.90
14,000
8-32 x 5/8 31140810xx
4.50
11,000
8-32 x 3/4 31140812xx
5.00
9,500
8-32 x 7/8 31140814xx
5.45
8,000
8-32 x 1 31140816xx
5.90
7,500
8-32 x 1 1/8 31140817xx
6.70
7,000
8-32 x 1 1/4 31140818xx
7.10
6,000
8-32 x 1 3/8 31140819xx
7.60
5,000
8-32 x 1 1/2 31140820xx
8.10
4,500
8-32 x 1 5/8 31140821xx
8.70
4,000
8-32 x 1 3/4 31140822xx
9.30
4,000
8-32 x 1 3/4
Break Off		 31140822xxB
9.30
4,000
8-32 x 1 7/8 31140823xx
9.95
3,000
8-32 x 2 31140824xx
10.60
2,000
8-32 x 2 1/4 31140825xx
11.80
2,000
10-24 x 1/2 31141008xx
5.20
10,000
10-24 x 1 31141016xx
8.15
5,500
Phillips Round Machine Screws NC
Stocked in steel zinc plating.
Available in 18-8 stainless steel, brass, and black oxide.
Size
Part Number
Weight Pounds/M
Carton Quantity
1/4-20 x 3/8 31151406xx
8.40
7,000
1/4-20 x 1/2 31151408xx
9.70
6,000
1/4-20 x 5/8 31151410xx
10.60
5,000
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U.S. Industrial Fasteners Phone: 480-967-8702 / Toll Free 800-289-5386
2026 East Cedar Street Tempe, Arizona 85281