Standard Hex Head Cap Screws – BTCO Online

Category: Standard Hex Head Cap Screws

Head Width

1/2 in

7/16 in

9/16 in

1-1/2 in

1-1/8 in

1-5/16 in

15/16 in

3/4 in

5/8 in

1-11/16 in

1-7/8 in

13/16 in

2-1/4 in

3 in

10 mm

11 mm

13 mm

17 mm

19 mm

21 mm

22 mm

24 mm

27 mm

30 mm

32 mm

36 mm

41 mm

46 mm

5.5 mm

50 mm

55 mm

60 mm

65 mm

7 mm

70 mm

75 mm

8 mm

80 mm

85 mm

90 mm

95 mm

9.89 mm

14.3 mm

16 mm

18.8 mm

20.9 mm

29/32 in

3/8 in

59/64 in

7.6 mm

8.8 mm

2-5/8 in

1-3/32 in

27/64 in

31/64 in

35/64 in

47/64 in

2-1/16 in

Head Height

13/64 in

15/64 in

5/32 in

1/2 in

1/4 in

11/32 in

11/64 in

15/32 in

17/32 in

17/64 in

19/64 in

23/64 in

25/64 in

27/64 in

3/16 in

35/64 in

39/64 in

5/16 in

7/16 in

7/32 in

9/32 in

1-7/32 in

11/16 in

15/16 in

21/64 in

25/32 in

31/64 in

37/64 in

43/64 in

3/8 in

5/8 in

10 mm

11.28 mm

11.5 mm

12.5 mm

14 mm

15 mm

17 mm

18.7 mm

2 mm

2.8 mm

21 mm

22.5 mm

25 mm

26 mm

28 mm

3.5 mm

3.85 mm

30 mm

33 mm

35 mm

38 mm

4 mm

4.8 mm

40 mm

5.15 mm

5.3 mm

6.22 mm

6.4 mm

7.32 mm

7.5 mm

8.62 mm

8.8 mm

9.82 mm

12.28 mm

16.65 mm

18.28 mm

3.35 mm

2.6 mm

3.8 mm

4.7 mm

5.2 mm

6 mm

6.3 mm

1-3/32 in

14.78 mm

29/64 in

1.88 mm

13.78 mm

2.68 mm

27/32 in

Fastener Length

1 in

1-1/2 in

1-1/4 in

1-3/4 in

1/2 in

2 in

2-1/2 in

3/4 in

10 in

11 in

12 in

14 in

2-1/4 in

2-3/4 in

3 in

3-1/2 in

3-1/4 in

3-3/4 in

4 in

4-1/2 in

5 in

5-1/2 in

5/8 in

6 in

6-1/2 in

7 in

7-1/2 in

7/8 in

8 in

9 in

1-1/8 in

1-3/8 in

1-5/8 in

13 in

16 in

2-3/8 in

4-1/4 in

4-3/4 in

5-1/4 in

5-3/4 in

8-1/2 in

9-1/2 in

1-7/8 in

10-1/2 in

15 in

3/8 in

10 mm

100 mm

110 mm

12 mm

120 mm

130 mm

14 mm

140 mm

150 mm

16 mm

160 mm

170 mm

18 mm

180 mm

190 mm

20 mm

200 mm

210 mm

22 mm

220 mm

230 mm

240 mm

25 mm

250 mm

260 mm

280 mm

30 mm

300 mm

320 mm

340 mm

35 mm

360 mm

380 mm

40 mm

400 mm

420 mm

440 mm

45 mm

460 mm

480 mm

50 mm

500 mm

55 mm

6 mm

60 mm

65 mm

70 mm

75 mm

8 mm

80 mm

85 mm

90 mm

95 mm

11-1/2 in

7/16 in

9/16 in

1/4 in

15 mm

20 in

5/16 in

Finish

Plain

Black Oxide

Hot Dipped Galvanized

Zinc Plated

Armor Coat

Blue Phosphate

Chrome Plated

Zinc Yellow

NL-19

Cadmium Plated

Dimensional Standards

ANSI B18.8.1

ASME B18.2.1

DIN 931

DIN 933

DIN 960

DIN 961

ISO 8676

ISO 8765

ANSI B1.13M 1979

ASME B1.1 1982

ASME B18.6

ANSI B18.18.1M-1982

ASME B18.2.1BH

DFAR Compliant

MS35307-305

MS35307-309

MS35307-310

MS35307-311

MS35307-313

MS35307-314

MS35307-334

MS35307-335

MS35307-339

MS35307-340

MS35307-359

MS35307-364

MS35307-366

MS35307-367

MS35307-368

MS35307-407

MS35307-414

MS35307-416

MS35307-417

MS35307-419

MS35308-305

MS35308-307

MS35308-314

MS35308-332

MS35308-334

MS35308-338

MS35308-358

MS35308-360

MS35308-364

MS35308-409

MS35308-414

MS90725-10

MS90725-113

MS90725-114

MS90725-115

MS90725-119

MS90725-12

MS90725-121

MS90725-123

MS90725-13

MS90725-14

MS90725-16

MS90725-163

MS90725-164

MS90725-166

MS90725-168

MS90725-18

MS90725-187

MS90725-189

MS90725-191

MS90725-193

MS90725-195

MS90725-34

MS90725-38

MS90725-40

MS90725-42

MS90725-62

MS90725-64

MS90725-65

MS90725-66

MS90725-68

MS90725-70

MS90725-72

MS90725-74

MS90725-8

MS90728

Thread Type

UNC

Coarse

Fine

Extra Fine

Metric

UNF

Manufacturer Location

Globally Sourced

Made in USA*

Material Quality Standards

ASME: B18.2.1

ASTM A307

ASTM F1941

SAE J429

ASTM F606

ISO 898

ISO 898-1

ISO 898-1-2013, Class 10.9

ASTM D638

DIN 933

ASTM 193

ASTM 194

ASTM F593

DIN 267

ASTM A354 Grade BD

ASTM B633

DFAR Compliant

MS35307

MS35308

MS90725

MS90728

QQ-P-35

Pack Size

Small Pack

Bulk Pack

System of Measurement

Inch

Metric

Tensile Strength

49,900 psi

60,000 psi

74,000 psi

120,000 psi

180,000 psi

150,000 psi

105,000 psi

116,000 psi

120,350 psi

150,800 psi

80,000 psi

50,000 psi

1,393 psi

101,500 psi

2,260 psi

200 psi

403 psi

480 psi

70,000 psi

80 ksi

85,000 psi

Thread Size

1/4"-20

3/8"-16

5/16"-18

1"-8

1/2"-13

1/4"-28

3/4"-10

5/8"-11

7/16"-14

7/8"-9

1-1/2"-12

1-1/2"-6

1-1/4"-12

1-1/4"-7

1-1/8"-12

1-1/8"-7

1"-14

1/2"-20

2"-4-1/2

3/4"-16

3/8"-24

5/16"-24

5/8"-18

7/16"-20

7/8"-14

9/16"-12

9/16"-18

M10

M10-1.00

M10-1.25

M10-1.50

M12

M12-1.25

M12-1.50

M12-1.75

M14

M14-1.50

M14-2.00

M16

M16-1.50

M16-2.00

M18

M18-1.50

M18-2.50

M20-1.50

M20-2.50

M22-2.50

M24-2.00

M24-3.00

M27-3.00

M3-0.50

M30-3.50

M33-3.50

M36-4.00

M39-4.00

M4-0.70

M42-4.50

M45-4.50

M48-5.00

M5-0.80

M52-5.00

M56-5.50

M6-1.00

M60-5.50

M64-6.00

M7-1.00

M8-1.00

M8-1.25

M20

M27

M30

1-3/4"-5

M24

1-3/8"-6

M22

Thread Style

Fully Threaded

Partially Threaded

Material Grade/Class

Grade 2

A307A

18-8

Class 10.9

Class 8.8

Grade 5

Grade 8

Grade 9

Not Graded

316

Bolt Material

Titanium

Steel

18-8 Stainless Steel

Stainless Steel

Bronze

Brass

Nylon

PTFE

PVC

Hex Head Cap Screw Type

Hex Head Bolt

Hex Bolt

Hex Head Cap Screw

Hex Tap Bolt

Hex

Hex Head Machine Screw

Standard Hex Head Cap Screw

Standards

ANSI B18.8.1 ASME: B18.2.1

ASME B18.2.1 ASME: B18.2.1

ASME B18.2.1

ASME B18.2.1 ASTM A307

ASME B18.2.1 ASTM F1941

ASME B18.2.1 SAE J429

ASME B18.2.1 ASTM F606

DIN 931

Din 931 ISO 898

DIN 931 ISO 898-1

DIN 933

Din 933 ISO 898

DIN 933 ISO 898-1

DIN 960

Din 960 ISO 898

DIN 961

Din 961 ISO 898

ISO 8676

ISO 8765

DIN 931 ISO 898-1-2013, Class 10.9

DIN 933 ISO 898-1-2013, Class 10.9

ANSI B1.13M 1979

ASME B1.1 1982

ASME B18.6 ASTM D638

DIN 933 ASTM D638

DIN 933 DIN 933

ASME B18.2.1 ASTM 194

ASME B18.2.1 ASTM F593

Din 933 DIN 267

MS35307-304 MS35307

MS35307-305 QQ-P-35

MS35307-309 QQ-P-35

MS35307-310 QQ-P-35

MS35307-311 QQ-P-35

MS35307-313 QQ-P-35

MS35307-314 QQ-P-35

MS35307-318 MS35307

MS35307-333 MS35307

MS35307-334 QQ-P-35

MS35307-335 QQ-P-35

MS35307-339 MS35307

MS35307-340 QQ-P-35

MS35307-341 MS35307

MS35307-344 MS35307

MS35307-359 QQ-P-35

MS35307-360 MS35307

MS35307-362 MS35307

MS35307-364 QQ-P-35

MS35307-366 QQ-P-35

MS35307-367 QQ-P-35

MS35307-368 QQ-P-35

MS35307-407 QQ-P-35

MS35307-414 QQ-P-35

MS35307-416 MS35307

MS35307-417 QQ-P-35

MS35307-419 QQ-P-35

MS35308-303 MS35308

MS35308-305 MS35308

MS35308-307 MS35308

MS35308-314 MS35308

MS35308-332 MS35308

MS35308-334 MS35308

MS35308-338 MS35308

MS35308-358 MS35308

MS35308-360 MS35308

MS35308-364 MS35308

MS35308-409 MS35308

MS35308-414 MS35308

MS90725-10 MS90725

MS90725-113 MS90725

MS90725-114 MS90725

MS90725-115 MS90725

MS90725-119 MS90725

MS90725-12 MS90725

MS90725-121 MS90725

MS90725-123 MS90725

MS90725-13 MS90725

MS90725-14 MS90725

MS90725-16 MS90725

MS90725-163 MS90725

MS90725-164 MS90725

MS90725-166 MS90725

MS90725-168 MS90725

MS90725-18 MS90725

MS90725-187 MS90725

MS90725-189 MS90725

MS90725-191 MS90725

MS90725-193 MS90725

MS90725-195 MS90725

MS90725-34 MS90725

MS90725-38 MS90725

MS90725-40 MS90725

MS90725-42 MS90725

MS90725-62 MS90725

MS90725-64 MS90725

MS90725-65 MS90725

MS90725-66 MS90725

MS90725-68 MS90725

MS90725-70 MS90725

MS90725-72 MS90725

MS90725-74 MS90725

MS90725-8 MS90725

MS90728 MS90728

ASME B18.2.1 ASTM 193

Din 931 DIN 267

Minimum Thread Length

1 in

1-1/2 in

1-1/4 in

1-1/8 in

1-3/4 in

1/2 in

2 in

2-1/2 in

2-1/4 in

2-3/4 in

3 in

3-1/2 in

3-1/4 in

3-3/4 in

3/4 in

4 in

4-1/2 in

5 in

5-1/2 in

5/8 in

6 in

7 in

7/8 in

8 in

1-3/8 in

1-5/8 in

10 in

6-1/2 in

7-1/2 in

9 in

8-1/2 in

10 mm

100 mm

102 mm

103 mm

108 mm

109 mm

110 mm

115 mm

116 mm

12 mm

120 mm

121 mm

129 mm

130 mm

137 mm

14 mm

140 mm

145 mm

150 mm

153 mm

16 mm

160 mm

18 mm

180 mm

20 mm

200 mm

22 mm

24 mm

25 mm

26 mm

28 mm

30 mm

32 mm

34 mm

35 mm

36 mm

38 mm

40 mm

41 mm

42 mm

44 mm

45 mm

46 mm

48 mm

49 mm

50 mm

52 mm

53 mm

54 mm

55 mm

56 mm

57 mm

6 mm

60 mm

61 mm

65 mm

66 mm

69 mm

70 mm

72 mm

73 mm

75 mm

78 mm

79 mm

8 mm

80 mm

84 mm

85 mm

90 mm

91 mm

96 mm

97 mm

3/8 in

Made in North America

Yes

Thread Direction

Right Hand

Left Hand

Container Type

Metal Box

Metal Cabinet

Plastic Box

Includes Screws/Bolts

Screws/Bolts Included

Flat Washers Included

(100) 5/16 in

(25) M6

(26) 6 mm

(30) 1/4 in

(36) 1/4 in

(45) 1/4 in

(5) M20

(50) 1/2 in

(50) 3/8 in

(50) 5/16 in

(50) 7/16 in

(50) 8 mm

(50) M12

(50) M6

Number of Pieces

1,600

1,945

125

128

2,270

2,785

2,855

225

235

245

3,115

302

330

390

485

515

585

714

730

738

780

898

Lock Washers Included

(100) 5/16 in

(25) M6

(26) 6 mm

(30) 1/4 in

(36) 1/4 in

(45) 1/4 in

(5) 3/4 in

(5) M20

(50) 1/4 in

(50) 3/8 in

(50) M12

(50) M8

(72) 5/16 in

(90) M8

Includes Lock Washers

Lock Washers Included

Lock Washers Not Included

Includes Hex Nuts

Hex Nuts Included

Hex Nuts Not Included

Includes Flat Washers

Flat Washer Included

Flat Washer Not Included

Hex Nuts Included

Hex Nuts (36) 1/4"-20, (34) 5/16"-18, (17) 3/8"-16

Hex Nuts (60) M6-1.00, (30) M8-1.25, (20) M10-1.50

Hex Nuts: (10) M6-1, (10) M8-1.25, (10) M10-1.5

Hex Nuts: (100) 1/4"-20, (100) 5/16"-18, (100) 3/8"-16

Hex Nuts: (100) 6-32, (100) 8-32, (100) 10-24, (100) 12-24

Hex Nuts: (100) M6, (50) M8, (50) M10, (25) M12

Hex Nuts: (15) M10-1.25, (10) M12-1.25, (10) M12-1.50

Hex Nuts: (20) 1/4"-20, (20) 5/16"-18, (20) 3/8"-16

Hex Nuts: (25) M6-1, (25) M8-1.25, (25) M10-1.5

Hex Nuts: (26) M6x1.00, (17) M8x1.25, (13) M10x1.50

Hex Nuts: (30) 1/4"-20, (15) 5/16"-18, (10) 3/8"-16

Hex Nuts: (30) 1/4"-20, (20) 5/16"-18, (20) 3/8"-16

Hex Nuts: (30) 1/4"-28, (20) 5/16"-24, (20) 3/8"-24

Hex Nuts: (50) 1/4"-20, (50) 5/16"-18, (50) 3/8"-16

Lock Nuts (50) 1/4"-20, (50) 5/16 "-18, (50) 3/8 "-16

Lock Nuts 7/16"-14

Lock Nuts: (100) 1/4"-20, (50) 3/8"-16, (25) 1/2"-13, (10) 5/8"-11, (10) 3/4"-10

Lock Nuts: (100) M6-1, (100) M8-1.25, (100) M10-1.5, (50) M12-1.75, (25) M16-2, (10) M20-2.5

Lock Nuts: (50) 1/4"-20, (50) 5/16"-18, (50) 3/8"-16, (10) 1/2"-13, (10) 5/8"-11, (5) 3/4"-10

Lock Nuts: (50) M6-1, (50) M8-1.25, (50) M10-1.5, (25) M12-1.75, (10) M16-2, (5) M20-2.5

Screws/Bolts Included

Hex Head Cap Screws DIN 933: (25) M6x20 mm, (25) M6x25 mm, (25) M6x30 mm, (25) M6x35 mm, (25) M8x20 mm, (25) M8x25 mm, (25) M8x30 mm, (20) M10x20 mm, (20) M10x25 mm, (20) M10x30 mm, (20) M10x35 mm, (1

Hex Head Cap Screws: (10) 1/4"-20x1/2 in, (10) 1/4"-20x3/4 in, (10) 1/4"-20x1 in, (10) 1/4"-20x1-1/2 in, (10) 1/4"-20x2 in, (10) 5/16"-18x3/4 in, (10) 5/16"-18x1-1/4 in, (8) 3/8"-16x1 in, (5) 3/8"-16x

Hex Head Cap Screws: (10) 1/4"-20x3/4 in, (10) 1/4"-20x1 in, (10) 1/4"-20x1-1/2 in, (10) 1/4"-20x2 in, (10) 5/16"-18x3/4 in, (8) 3/8"-16x1 in, (7) 3/8"-16x2 in

Hex Head Cap Screws: (10) 7/16"-14x1 in, (10) 7/16"-14x1-1/2 in, (10) 7/16"-14x2 in, (10) 1/2"-13x1 in

Hex Head Cap Screws: (100) 1/4"-20x1/2 in, (10) 1/4"-20x3/4 in, (10) 1/4"-20x1 in, (10) 1/4"-20x1-1/2 in, (10) 1/4"-20x2 in, (10) 5/16"-18x3/4 in, (10) 5/16"-18x1-1/4 in, (10) 3/8"-16x3/4 in, (8) 3/8"

Hex Head Cap Screws: (100) 1/4"-28x1/2 in, (10) 1/4"-28x3/4 in, (10) 1/4"-28x1 in, (10) 1/4"-28x1-1/2 in, (10) 1/4"-28x2 in, (10) 5/16"-24x3/4 in, (10) 5/16"-24x1-1/4 in, (10) 3/8"-24x3/4 in, (8) 3/8"

Hex Head Cap Screws: (20) 1/4"-20x3/4 in, (10) 1/4"-20x1/2 in, (10) 1/4"-20x1 in, (10) 1/4"-20x1-1/2 in, (10) 3/8"-16x3/4 in, (10) 5/16"-18x3/4 in, (10) 5/16"-18x1-1/4 in, (5) 1/4"-20x2 in, (5) 3/8"-1

Hex Head Cap Screws: (25) 1/4"-20x1/2 in, (25) 1/4"-20x1 in, (25) 1/4"-20x1-1/2 in, (25) 5/16"-18x3/4 in, (25) 3/8"-16x3/4 in, (10) 3/8"-16x1 in

Hex Head Cap Screws: (25) M6-1x20 mm, 25) M6-1x25 mm, 25) M6-1x30 mm, 25) M6-1x35 mm, (10) M6-1x40 mm, (10) M8-1.25x20 mm, (10) M10-1.5x20 mm, (5) M8-1.25x40 mm, (5) M10-1.5x40 mm

Hex Head Cap Screws: (5) 1/4"-28x5/8 in, (5) 1/4"-28x3/4 in, (5) 1/4"-28x7/8 in, (5) 1/4"-28x1 in, (5) 1/4"-28x1-1/4 in, (5) 1/4"-28x1-1/2 in, (5) 1/4"-28x1-3/4 in, (5) 1/4"-28x2 in, (5) 1/4"-28x2-1/4

Hex Head Cap Screws: (50) 1/4"-20x1/2 in, (25) 1/4"-20x3/4 in, (25) 5/16"-18x3/4 in, (10) 1/4"-20x1 in, (10) 1/4"-20x1-1/2 in, (10) 1/4"-20x2 in, (10) 3/8"-16x3/4 in, (10) 5/16"-18x1 in, (10) 5/16"-18

Hex Head Cap Screws: (50) 6-32x1/4 in, (50) 6-32x3/8 in, (50) 6-32x1/2 in, (50) 6-32x3/4 in, (50) 8-32x1/4 in, (50) 10-24x3/8 in, (50) 10-24x1 in, (50) 12-24x3/8 in

Hex Head Cap Screws: (8) M6x1x12 mm, (8) M6x1x16 mm, (6) M6x1x20 mm, (5) M8x1.25x20 mm, (4) M6x1x25 mm, (4) M8x1.25x25 mm, (4) M8x1.25x30 mm, (4) M8x1.25x35 mm, (4) M10x1.5x20 mm, (4) M10x1.5x25 mm, (

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