The company keeps to the operation concept “scientific management, high quality and efficiency primacy, customer supreme for Factory Selling China Hardware Fastener Supplier Round Head Square Neck DIN603 Carriage Bolt, We sincerely hope to provide both you and your organization with a superior start. If there is anything we will do to suit your needs, we shall be more than pleased to do so. Welcome to our manufacturing facility for take a look at.
The company keeps to the operation concept “scientific management, high quality and efficiency primacy, customer supreme for China Auto Part, Motorcycle Parts, In order to carry out our goal of “customer first and mutual benefit” in the cooperation, we establish a specialist engineering team and a sales team to supply the best service to satisfy our customers’ requirements. Welcome you to cooperate with us and join us. We have been your best choice.
Product name | Carriage bolt |
Size | M6-M52, 1/4”-2” |
Grade | 4.8 6.8 8.8 10.9 12.9 |
Material | Carbon steel Q235 35k,20MNTiB |
Standard | DIN, ISO, GB, BS, ASTM |
Thread | Coarse thread, Fine thread , Half thread, Full thread |
Surface | Plain, Black, zinc plated, HDG, Dacromet |
Service | OEM/ODM/ Customized |
Quality control | Raw material test, during production test, before packing test |
Certificate | ISO9001, SGS |
Sample | Sample available |
Packing | 25kg bag/carton+pallet |
d |
M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
P | 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 | 5.52 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
min | 5.48 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 |
Why choose us ?
1. Quality Certification: ROHS, ISO9001,IATF16949
2. Professional testing: 100% of full line testing system, in lines with ISO standard.
3. Salt spray time: 2 hours, 24 hours, 48 hours, 96 hours, 1000 hours we can do as per need. And can offer with salt spray checking report.
4. Inspection equipment: Sclerometer, Hardness tester, Caliper, Torsion meter, Salt atmosphere testing machine, Projector,Die gage, Image screening instrument etc.
5. Highly competitive prices.
6. we can manufacture according to client design.The company keeps to the operation concept “scientific management, high quality and efficiency primacy, customer supreme for Factory Selling China Hardware Fastener Supplier Round Head Square Neck DIN603 Carriage Bolt, We sincerely hope to provide both you and your organization with a superior start. If there is anything we will do to suit your needs, we shall be more than pleased to do so. Welcome to our manufacturing facility for take a look at.
Factory Selling China Auto Part, Motorcycle Parts, In order to carry out our goal of “customer first and mutual benefit” in the cooperation, we establish a specialist engineering team and a sales team to supply the best service to satisfy our customers’ requirements. Welcome you to cooperate with us and join us. We have been your best choice.