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  1. Size 5/16"-18 Remove Size
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Aluminum
Brass 10
Nylon
Stainless Steel 233
Steel 665
#0 23
#0-80 96
#00 10
#1-64 2
#1-72 7
#10 1982
#10-24 1936
#10-32 2012
#12 1267
#12-24 662
#14 1333
#16 33
#18 2
#2 291
#2-56 507
#2-64 2
#3 64
#3-48 95
#4 748
#4-36 1
#4-40 1274
#4-48 1
#5 157
#5-40 123
#6 1911
#6-32 1941
#6-40 4
#7 261
#8 2580
#8-32 2249
#9 140
1"-8 11
1"-8 6
1/2" 49
1/2"-13 209
1/2"-20 3
1/4" 173
1/4"-20 2271
1/4"-28 89
3/16" 14
3/4" 11
3/4"-10 21
3/8" 139
3/8"-16 554
3/8"-24 3
5/16" 211
5/16"-18 908
5/16"-24 3
5/8" 34
5/8"-11 30
7/16"-14 4
7/8"-9 12
M1.6-0.35 19
M10-1.5 26
M2-0.4 123
M2.5-0.45 157
M2.6 2
M3-0.5 468
M3.5-0.6 98
M4-0.7 501
M5-0.8 450
M6-1.0 409
M8-1.25 211
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1" 111
1-1/16"
1-1/2" 88
1-1/4" 82
1-1/8"
1-13/16"
1-3/16"
1-3/4" 40
1-3/8" 8
1-5/8" 1
1-7/16"
1-7/8"
1/16"
1/2" 65
1/4" 1
1/8"
10"
100mm
10mm
11/16"
11/32"
12"
12mm
13/16"
14"
14mm
15/16"
16"
16mm
18"
18mm
2" 80
2-1/2" 56
2-1/4" 36
2-1/8"
2-3/4" 8
2-3/8"
2-5/8"
20"
20mm
22mm
24"
25/64"
25mm
28mm
3" 49
3-1/2" 22
3-1/4"
3-3/4"
3/16"
3/32"
3/4" 108
3/8" 16
30mm
32mm
35mm
3mm
4" 30
4-1/2" 13
4-1/4"
4-3/4"
40mm
45mm
4mm
5" 14
5-1/2" 10
5/16"
5/8" 46
50mm
55mm
5mm
6" 10
6-1/2"
60mm
65mm
6mm
7"
7-1/2"
7/16"
7/32"
7/8" 14
70mm
75mm
8"
8-1/2"
80mm
85mm
8mm
9"
9-1/2"
9/16"
9/32"
9/64"
90mm
Show more Show less
Inch 908
Metric
18-8 221
303 Series
316 12
410 Series
Grade 2
Grade 5 12
Grade 8 6
Metric Class 10.9
Metric Class 4.8
Metric Class 8.8
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Combo 8
Combo (Phillips/Square)
Hammer Drive
Hex
Phillips 336
Pin-In 6-Lobe 8
Pozi
Six Lobe 81
Slotted 274
Square
Thumb 60
Unslotted 141
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Binding Undercut
Bugle Head
Button Head 8
Cheese Head
Fillister Head 20
Flat 100 Head 3
Flat 100 Undercut Head
Flat Head 207
Flat Trim Head
Flat Undercut Head 12
Hex 28
Hex Trimmed
Hex Washer 127
Hex Washer (Serrated) 44
High Hex
Modified Pan Head
Modified Truss
Oval Head 38
Oval Undercut
Pan Framing Head
Pan Head 160
Pan Head JIS-B1-188
Round Head 107
Round Washer
Spade 49
Truss Head 94
Wafer Head
Wing 11
Show more Show less
ACR Coating
Black Oxide 35
Black Phosphate 22
Black Zinc 15
Blue Ceramic Coating
Chrome
Climaseal Finish
Dacrotized
Green Ceramic
Hot Dip Galvanized
Natural
Nickel
Passivated
Phosphate Gray
Plain 2
Plain Finish
Zinc 591
Zinc Green
Zinc Plating
Zinc Yellow 7
Show more Show less
#1 Point
#2 Point
#3 Point 4
#3 Point / Wings
#4 Point
#4 Point / Wings
#4.5 Point
#5 Point
Needle Point
Self Piercing
Spade Point
Tri-Round (Type TT) 35
Type 1 12
Type 17
Type 23 20
Type 25
Type A
Type AB
Type B
Type F 109
Type Hi-Lo
Type U
Show more Show less
$16.00 - $2,325.00
$2,325.00
$16.00
Black 72
Blue
Brown 10
Gray
Green
Plain 2
Red
Silver 817
Tan
Yellow 7
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908 products

908 products

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Home Screws
  1. Size 5/16"-18 Remove Size
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Items 1-20 of 908

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  1. 5/16-18 x 6" Machine Screws / Phillips / Round Head / Steel / Zinc (Quantity: 200 pcs)
    5/16-18 x 6" Machine Screws / Phillips / Round Head / Steel / Zinc (Quantity: 200 pcs)
    Round Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $344.99
    Availablity: In stock
    Add to Compare
    Quantity: 200 (1.72495/each)
  2. 5/16-18 x 6" Machine Screws / Slotted / Flat Head / Steel / Zinc (Quantity: 200 pcs)
    5/16-18 x 6" Machine Screws / Slotted / Flat Head / Steel / Zinc (Quantity: 200 pcs)
    Flat 82
    $284.99
    Availablity: In stock
    Add to Compare
    Quantity: 200 (1.42495/each)
  3. 5/16-18 x 6" Machine Screws / Slotted / Round Head / Steel / Zinc (Quantity: 300 pcs)
    5/16-18 x 6" Machine Screws / Slotted / Round Head / Steel / Zinc (Quantity: 300 pcs)
    Round Slotted
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $452.99
    Availablity: In stock
    Add to Compare
    Quantity: 300 (1.509967/each)
  4. 5/16-18 x 1/4" Machine Screws / Phillips / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 1/4" Machine Screws / Phillips / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    Pan Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $516.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.258495/each)
  5. 5/16-18 x 3/8" Machine Screws / Phillips / Flat Undercut Head / Steel / Zinc (Quantity: 3,000 pcs)
    5/16-18 x 3/8" Machine Screws / Phillips / Flat Undercut Head / Steel / Zinc (Quantity: 3,000 pcs)
    Flat Phillips Undercut
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $433.99
    Availablity: In stock
    Add to Compare
    Quantity: 3000 (0.144663/each)
  6. 5/16-18 x 3/8" Machine Screws / Phillips / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 3/8" Machine Screws / Phillips / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    Pan Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $772.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.386495/each)
  7. 5/16-18 x 3/8" Machine Screws / Phillips / Truss Head / Steel / Zinc (Quantity: 1,000 pcs)
    5/16-18 x 3/8" Machine Screws / Phillips / Truss Head / Steel / Zinc (Quantity: 1,000 pcs)
    Truss Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $276.99
    Availablity: In stock
    Add to Compare
    Quantity: 1000 (0.27699/each)
  8. 5/16-18 x 3/8" Machine Screws / Slotted / Fillister Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 3/8" Machine Screws / Slotted / Fillister Head / Steel / Zinc (Quantity: 2,000 pcs)
    Fillister Slotted
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $915.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.457995/each)
  9. 5/16-18 x 3/8" Machine Screws / Slotted / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 3/8" Machine Screws / Slotted / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    Pan Slotted
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $446.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.223495/each)
  10. 5/16-18 x 3/8" Machine Screws / Slotted / Round Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 3/8" Machine Screws / Slotted / Round Head / Steel / Zinc (Quantity: 2,000 pcs)
    Round Slotted
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $751.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.375995/each)
  11. 5/16-18 x 3/8" Machine Screws / Six-Lobe (Torx) / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 3/8" Machine Screws / Six-Lobe (Torx) / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    Pan Six Lobe
    Machine Screw
    Manufactured to SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $976.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.488495/each)
  12. 5/16-18 x 3/8" Machine Screws / Unslotted / Hex Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 3/8" Machine Screws / Unslotted / Hex Head / Steel / Zinc (Quantity: 2,000 pcs)
    Hex Unslotted
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $689.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.344995/each)
  13. 5/16-18 x 1/2" Machine Screws / Phillips / Fillister Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Fillister Head / Steel / Zinc (Quantity: 2,000 pcs)
    Fillister Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $927.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.463995/each)
  14. 5/16-18 x 1/2" Machine Screws / Phillips / Flat Undercut Head / 18-8 Stainless Steel (Quantity: 1,500 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Flat Undercut Head / 18-8 Stainless Steel (Quantity: 1,500 pcs)
    Flat Phillips Undercut
    Machine Screw
    Manufactured to ASME B18.6.3 dimensions
    Fully Threaded
    18-8 Stainless Steel
    $1,474.99
    Availablity: In stock
    Add to Compare
    Quantity: 1500 (0.983327/each)
  15. 5/16-18 x 1/2" Machine Screws / Phillips / Flat Undercut Head / Steel / Zinc (Quantity: 3,000 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Flat Undercut Head / Steel / Zinc (Quantity: 3,000 pcs)
    Flat Phillips Undercut
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $724.99
    Availablity: In stock
    Add to Compare
    Quantity: 3000 (0.241663/each)
  16. 5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / 18-8 Stainless Steel / Black Oxide (Quantity: 1,000 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / 18-8 Stainless Steel / Black Oxide (Quantity: 1,000 pcs)
    Pan Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 dimensions
    Fully Threaded
    Steel Black Oxide over 18-8 Stainless Steel
    $793.99
    Availablity: In stock
    Add to Compare
    Quantity: 1000 (0.79399/each)
  17. 5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / 18-8 Stainless Steel (Quantity: 500 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / 18-8 Stainless Steel (Quantity: 500 pcs)
    Phillips Pan Head
    Machine Screw
    Manufactured to ASME B18.6.3 dimensions
    Fully Threaded
    18-8 Stainless Steel
    $354.99
    Availablity: In stock
    Add to Compare
    Quantity: 500 (0.70998/each)
  18. 5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / Steel / Black Oxide (Quantity: 2,000 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / Steel / Black Oxide (Quantity: 2,000 pcs)
    Pan Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Black Oxide
    $618.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.309495/each)
  19. 5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / Steel / Black Zinc (Quantity: 2,000 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / Steel / Black Zinc (Quantity: 2,000 pcs)
    Pan Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Black Zinc Plated
    $577.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.288995/each)
  20. 5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    5/16-18 x 1/2" Machine Screws / Phillips / Pan Head / Steel / Zinc (Quantity: 2,000 pcs)
    Pan Phillips
    Machine Screw
    Manufactured to ASME B18.6.3 & SAE J82 specifications
    Fully Threaded
    Steel Zinc Plated
    $475.99
    Availablity: In stock
    Add to Compare
    Quantity: 2000 (0.237995/each)
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#0 23
#0-80 96
#00 10
#1-64 2
#1-72 7
#10 1982
#10-24 1936
#10-32 2012
#12 1267
#12-24 662
#14 1333
#16 33
#18 2
#2 291
#2-56 507
#2-64 2
#3 64
#3-48 95
#4 748
#4-36 1
#4-40 1274
#4-48 1
#5 157
#5-40 123
#6 1911
#6-32 1941
#6-40 4
#7 261
#8 2580
#8-32 2249
#9 140
1"-8 11
1"-8 6
1/2" 49
1/2"-13 209
1/2"-20 3
1/4" 173
1/4"-20 2271
1/4"-28 89
3/16" 14
3/4" 11
3/4"-10 21
3/8" 139
3/8"-16 554
3/8"-24 3
5/16" 211
5/16"-18 908
5/16"-24 3
5/8" 34
5/8"-11 30
7/16"-14 4
7/8"-9 12
M1.6-0.35 19
M10-1.5 26
M2-0.4 123
M2.5-0.45 157
M2.6 2
M3-0.5 468
M3.5-0.6 98
M4-0.7 501
M5-0.8 450
M6-1.0 409
M8-1.25 211
Show more Show less
Aluminum
Brass 10
Nylon
Stainless Steel 233
Steel 665
1" 111
1-1/16"
1-1/2" 88
1-1/4" 82
1-1/8"
1-13/16"
1-3/16"
1-3/4" 40
1-3/8" 8
1-5/8" 1
1-7/16"
1-7/8"
1/16"
1/2" 65
1/4" 1
1/8"
10"
100mm
10mm
11/16"
11/32"
12"
12mm
13/16"
14"
14mm
15/16"
16"
16mm
18"
18mm
2" 80
2-1/2" 56
2-1/4" 36
2-1/8"
2-3/4" 8
2-3/8"
2-5/8"
20"
20mm
22mm
24"
25/64"
25mm
28mm
3" 49
3-1/2" 22
3-1/4"
3-3/4"
3/16"
3/32"
3/4" 108
3/8" 16
30mm
32mm
35mm
3mm
4" 30
4-1/2" 13
4-1/4"
4-3/4"
40mm
45mm
4mm
5" 14
5-1/2" 10
5/16"
5/8" 46
50mm
55mm
5mm
6" 10
6-1/2"
60mm
65mm
6mm
7"
7-1/2"
7/16"
7/32"
7/8" 14
70mm
75mm
8"
8-1/2"
80mm
85mm
8mm
9"
9-1/2"
9/16"
9/32"
9/64"
90mm
Show more Show less
Inch 908
Metric
18-8 221
303 Series
316 12
410 Series
Grade 2
Grade 5 12
Grade 8 6
Metric Class 10.9
Metric Class 4.8
Metric Class 8.8
Show more Show less
Combo 8
Combo (Phillips/Square)
Hammer Drive
Hex
Phillips 336
Pin-In 6-Lobe 8
Pozi
Six Lobe 81
Slotted 274
Square
Thumb 60
Unslotted 141
Show more Show less
Binding Undercut
Bugle Head
Button Head 8
Cheese Head
Fillister Head 20
Flat 100 Head 3
Flat 100 Undercut Head
Flat Head 207
Flat Trim Head
Flat Undercut Head 12
Hex 28
Hex Trimmed
Hex Washer 127
Hex Washer (Serrated) 44
High Hex
Modified Pan Head
Modified Truss
Oval Head 38
Oval Undercut
Pan Framing Head
Pan Head 160
Pan Head JIS-B1-188
Round Head 107
Round Washer
Spade 49
Truss Head 94
Wafer Head
Wing 11
Show more Show less
ACR Coating
Black Oxide 35
Black Phosphate 22
Black Zinc 15
Blue Ceramic Coating
Chrome
Climaseal Finish
Dacrotized
Green Ceramic
Hot Dip Galvanized
Natural
Nickel
Passivated
Phosphate Gray
Plain 2
Plain Finish
Zinc 591
Zinc Green
Zinc Plating
Zinc Yellow 7
Show more Show less
#1 Point
#2 Point
#3 Point 4
#3 Point / Wings
#4 Point
#4 Point / Wings
#4.5 Point
#5 Point
Needle Point
Self Piercing
Spade Point
Tri-Round (Type TT) 35
Type 1 12
Type 17
Type 23 20
Type 25
Type A
Type AB
Type B
Type F 109
Type Hi-Lo
Type U
Show more Show less
$16.00 - $2,325.00
$2,325.00
$16.00
Black 72
Blue
Brown 10
Gray
Green
Plain 2
Red
Silver 817
Tan
Yellow 7
Show more Show less