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M6
Carriage Bolt
The Cup Head Square Neck carriage bolts are divided into large semi-circular Cup Head Square Neck carriage bolts (corresponding to standard GB/T14 and DIN603) and small semi-circular Cup Head Square Neck carriage bolts (corresponding to standard GB/T12-85). A Cup Head Square Neck carriage bolt, a type of fastener consisting of a head and a screw (a cylinder with an external thread), is required to be fitted with a nut for fastening two parts with through holes.
Specification
| Thread specification | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
| d | ||||||||
| P | Screw pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 |
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
| 125＜L≤200 | 22 | 24 | 28 | 32 | 36 | 44 | 52 | |
| L＞200 | / | / | 41 | 45 | 49 | 57 | 65 | |
| dk | Max | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 | 46.8 |
| Min | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 | 45.2 | |
| ds | Max | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| Min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
| k1 | Max | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 | 15.9 |
| Min | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 | 14.1 | |
| k | Max | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
| Min | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 | |
| r1 | ≈ | 10.7 | 12.6 | 16 | 19.2 | 24.1 | 29.3 | 33.9 |
| r2 | Max | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 |
| r3 | Max | 0.75 | 0.9 | 1.2 | 1.5 | 1.8 | 2.4 | 3 |
| s | Max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| Min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
Material
| 304 Chemical Composition(%) | ||||||||
| Grade | C≤ | Mn≤ | Si≤ | S≤ | P≤ | Cr | Ni | N≤ |
| 0.08 | 2 | 0.75 | 0.03 | 0.045 | 18.0-20.0 | 8.0-10.5 | 0.1 | |
| 304 Mechanical property | |||
| σb≥ | σ0.2≥ | δ5 (%)≥ | Hardness(HB)(kgf/mm2)] |
| 520(Mpa) | 205(Mpa) | 40% | ≤187 HRB≤90 HV ≤200 |
| 316 Chemical Composition(%) | ||||||||||
| Grade | C≤ | Mn≤ | Si≤ | S≤ | P≤ | Cr | Ni | Cu | MO | N |
| 0.017 | 0.98 | 0.25 | 0.0016 | 0.0414 | 16.23 | 10.08 | 0.32 | 2.06 | 0.037 | |
| 316 Mechanical property | |||
| σb≥ | σ0.2≥ | δ5 (%)≥ | Hardness(HB)(kgf/mm2)] |
| 520(Mpa) | 205(Mpa) | 40% | ≤187 HRB≤90 HV ≤200 |
Carriage Bolt
The Cup Head Square Neck carriage bolts are divided into large semi-circular Cup Head Square Neck carriage bolts (corresponding to standard GB/T14 and DIN603) and small semi-circular Cup Head Square Neck carriage bolts (corresponding to standard GB/T12-85). A Cup Head Square Neck carriage bolt, a type of fastener consisting of a head and a screw (a cylinder with an external thread), is required to be fitted with a nut for fastening two parts with through holes.
Specification
| Thread specification | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
| d | ||||||||
| P | Screw pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 |
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
| 125＜L≤200 | 22 | 24 | 28 | 32 | 36 | 44 | 52 | |
| L＞200 | / | / | 41 | 45 | 49 | 57 | 65 | |
| dk | Max | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 | 46.8 |
| Min | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 | 45.2 | |
| ds | Max | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| Min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
| k1 | Max | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 | 15.9 |
| Min | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 | 14.1 | |
| k | Max | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
| Min | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 | |
| r1 | ≈ | 10.7 | 12.6 | 16 | 19.2 | 24.1 | 29.3 | 33.9 |
| r2 | Max | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 |
| r3 | Max | 0.75 | 0.9 | 1.2 | 1.5 | 1.8 | 2.4 | 3 |
| s | Max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| Min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
Material
| 304 Chemical Composition(%) | ||||||||
| Grade | C≤ | Mn≤ | Si≤ | S≤ | P≤ | Cr | Ni | N≤ |
| 0.08 | 2 | 0.75 | 0.03 | 0.045 | 18.0-20.0 | 8.0-10.5 | 0.1 | |
| 304 Mechanical property | |||
| σb≥ | σ0.2≥ | δ5 (%)≥ | Hardness(HB)(kgf/mm2)] |
| 520(Mpa) | 205(Mpa) | 40% | ≤187 HRB≤90 HV ≤200 |
| 316 Chemical Composition(%) | ||||||||||
| Grade | C≤ | Mn≤ | Si≤ | S≤ | P≤ | Cr | Ni | Cu | MO | N |
| 0.017 | 0.98 | 0.25 | 0.0016 | 0.0414 | 16.23 | 10.08 | 0.32 | 2.06 | 0.037 | |
| 316 Mechanical property | |||
| σb≥ | σ0.2≥ | δ5 (%)≥ | Hardness(HB)(kgf/mm2)] |
| 520(Mpa) | 205(Mpa) | 40% | ≤187 HRB≤90 HV ≤200 |
| | Address:4B-D Zone,Intersection of Fenghuang Road and Qishen Road, Fengqiao Town, Nanhu District, Jiaxing City, Zhejiang Province, China 314001. |
| | Mobile/Wechat/Whatsapp: +86-18668329255 |
| | 24h |
| |
