1. Standard: DIN933
2. Class: 4.8 6.8.8.8 10.9 12.9 3. Type: Hexagon Head Half Threaded
4. Heat Treatment: Yes
5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet
6. Material: Carbon Steel, Stainless Steel
7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: ISO4017 2. Class: 4.8 6.8.8.8 10.9 12.9 3. Type: Hexagon Head with Fine Thread 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
Ningbo Steel Bolt Co.,Ltd
1. Standard: ASTM A193 2. Grade B7 and B7M and B16 and B8 and B8M 3. Type: Hexagon Head with Fine Thread 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: DIN933
2. Class: 4.8 6.8.8.8 10.9 12.9
3. Type: Hexagon Head Full Threaded
4. Heat Treatment: Yes
5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet
6. Material: Carbon Steel, Stainless Steel
7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: ASTM A325 2. Type: Hexagon Head with Fine Thread 3. Heat Treatment: Yes 4. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 5. Material: Carbon Steel, Stainless Steel 6. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: ASTM A490 2. Type: Hexagon Head with Fine Thread 3. Heat Treatment: Yes 4. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 5. Material: Carbon Steel, Stainless Steel 6. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
Standard ASTM A563 Grade A B C DH 8s 10s Type Hexagon Head Heat Treatment Yes 5. Surface Treatment HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
High quality
Competitive price
The shortest delivery
The fastest response
Custom design and Logo are welcomed
Standard DIN934 Class 4 6 8 10 12 3. Type Hexagon Head Heat Treatment: Yes Surface Treatment HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material Carbon Steel, Stainless Steel Connection Common Bolt
Our commitments
High quality
Competitive price
The shortest delivery
The fastest response
Custom design and Logo are welcomed
Standard DIN125A Type A Heat Treatment Yes Surface Treatment HDG, Black, ZINC, YZP, Plain, Dacromet Material Carbon Steel, Stainless Steel Connection: Common Bolt
Our commitments
High quality
Competitive price
The shortest delivery
The fastest response
Custom design and Logo are welcomed
Standard DIN127B Type Spring lock washer Heat Treatment Yes Surface Treatment HDG, Black, ZINC, YZP, Plain, Dacromet Material Carbon Steel, Stainless Steel Connection Common Bolt
Our commitments
High quality
Competitive price
The shortest delivery
The fastest response
Custom design and Logo are welcomed
1. Standard: EN14399 2. Class: -3/-4 3. Type: Hexagon Head 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
Class 4.8 and 6.8 and 8.8 and 10.9
1. Standard: DIN603 2. Class: 4.8 6.8 8.8 10.9 3. Type: Mushroom Head Square Neck 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet
6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: DIN960
2. Class: 4.8 6.8.8.8 10.9 12.9
3. Type: Hexagon Head with Fine Thread
4. Heat Treatment: Yes
5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet
6. Material: Carbon Steel, Stainless Steel
7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: DIN961 2. Class: 4.8 6.8.8.8 10.9 12.9 3. Type: Hexagon Head with Fine Thread 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
1. Standard: ISO4014 2. Class: 4.8 6.8.8.8 10.9 12.9 3. Type: Hexagon Head with Fine Thread 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: ASTM A307 2. Grade: A/B. Type: Hexagon Head with Fine Thread 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
DIN 912 Socket Head Cap Screw Dimensions
Size (d1) Thread Pitch Head Diameter (d2) Head Height (k) Key Size (s) Key Engagement (t)
Min Max Min Max Min Max Nominal
M1.4 0.30 2.46 2.74 1.26 1.40 1.320 1.360 0.6
M1.6 0.35 2.86 3.14 1.46 1.60 1.520 1.560 0.7
M2 0.40 3.62 3.98 1.86 2.00 1.520 1.560 1
M2.5 0.45 4.32 4.68 2.36 2.50 2.020 2.060 1.1
M3 0.50 5.32 5.68 2.86 3.00 2.520 2.580 1.3
M4 0.70 6.78 7.22 3.82 4.00 3.020 3.080 2
M5 0.80 8.28 8.72 4.82 5.00 4.020 4.095 2.5
M6 1.00 9.78 10.22 5.70 6.00 5.020 5.140 3
M8 1.25 12.73 13.27 7.64 8.00 6.020 6.140 4
M10 1.50 15.73 16.27 9.64 10.00 8.025 8.175 5
M12 1.75 17.73 18.27 11.57 12.00 10.025 10.175 6
M14 2.00 20.67 21.33 13.57 14.00 12.032 12.212 7
M16 2.00 23.67 24.33 15.57 16.00 14.032 14.212 8
M18 2.50 26.67 27.33 17.57 18.00 14.032 14.212 9
M20 2.50 29.67 30.33 19.48 20.00 17.050 17.230 10
M22 2.50 32.61 33.39 21.48 22.00 17.050 17.230 11
M24 3.00 35.61 36.39 23.48 24.00 19.050 19.275 12
M27 3.00 39.61 40.39 26.48 27.00 19.065 19.275 13.5
M30 3.50 44.61 45.39 29.48 30.00 22.065 22.275 15.5
M33 3.50 49.61 50.39 32.38 33.00 24.065 24.275 18
M36 4.00 53.54 54.56 35.38 36.00 27.065 27.275 19
M39 4.00 57.54 58.46 38.38 39.00 27.065 27.275 22
M42 4.50 62.54 63.46 41.38 42.00 32.080 32.330 24
M45 4.50 66.54 67.46 44.38 45.00 32.080 32.330 24
M48 5.00 71.54 72.46 47.38 48.00 36.080 36.330 28
M56 5.50 93.46 84.54 55.26 56.00 41.080 41.330 34
M64 6.00 95.46 96.54 63.26 64.00 46.080 46.330 38
M72 6.00 107.46 108.54 71.26 72.00 55.100 55.400 43
M80 6.00 119.46 120.54 79.26 80.00 65.100 65.400 48
M90 6.00 134.37 135.63 89.13 90.00 75.100 75.400 54
M100 6.00 149.37 150.63 99.13 100 85.120 85.470 60
1. Standard: DIN6914 2. Class: 8.8 10.9 3. Type: Hexagon Head 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
1. Standard: AS1252 2. Class: 8.8 3. Type: Hexagon Head 4. Heat Treatment: Yes
5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed
