CrabCaptain
YOUR CAPTAIN IN CHINA SOURCING
Making It Easy to Source Industrial Products from China · 让从中国采购工业品变容易
Hex bolts, nuts, studs, washers and threaded rods in metric and inch series, for structural, flange and equipment bolting.
Pick a sub-category to narrow the catalog选择细分品类缩小目录
Full master-catalog extract — real part numbers, names and materials, rendered on the server so search engines can index every item. 全量型号目录（服务器渲染，便于收录）。
| Part No. | Description | Material |
|---|---|---|
| GB/T86 | 螺钉M16*45-33H-O | |
| GB/T93 | 垫圈5-O | 70 |
| GB/T97.1 | 垫圈36-200HV-O | |
| GB/T97.1 | 垫圈52-200HV-O | |
| GB/T97.1 | 垫圈48-200HV-O | |
| GB/T5782 | 螺栓M10*75-8.8-O | |
| GB/T71 | 螺钉M12*16-14H-O | |
| GB/T5783 | 螺栓M10*55-8.8-O | |
| GB/T5782 | 螺栓M12*120-8.8-O | |
| GB/T5783 | 螺栓M16*150-8.8-O | |
| GB/T96 | 垫圈20-O | |
| GB/T70.1 | 螺钉M6*30-8.8-O | |
| GB/T70.1 | 螺钉M16*80-12.9-O | 35CrMo |
| GB/T5783 | 螺栓M36*90-8.8-O | |
| GB/T70.1 | 螺钉M24*50-8.8-O | 35CrMo |
| GB/T70.1 | 螺钉M24*90-8.8-O | 35CrMo |
| GB/T73 | 螺钉M12*20-14H-O | |
| GB/T5782 | 螺栓M14*70-8.8-O | |
| GB/T70.1 | 螺钉M5*10-8.8-O | |
| GB/T5786 | 螺栓M39*3*90-8.8-O | |
| GB/T5783 | 螺栓M30*65-8.8-O | |
| GB/T5782 | 螺栓M16*115-8.8-O | |
| GB/T5783 | 螺栓M20*120-8.8-O | |
| GB/T65 | 螺钉M6*14-4.8-Zn.D | |
| GB/T5783 | 螺栓M24*160-8.8-O | |
| GB/T5783 | 螺栓M24*180-8.8-O | |
| GB/T825 | 螺钉M8-O | 20 |
| GB/T70.1 | 螺钉M14*50-8.8-O | |
| GB/T70.1 | 螺钉M14*70-8.8-O | |
| GB/T70.1 | 螺钉M14*75-8.8-O | |
| GB/T5783 | 螺栓M24*100-8.8-O | |
| GB/T5783 | 螺栓M24*140-8.8-O | |
| GB/T65 | 螺钉M8*12-4.8-Zn.D | |
| GB/T68 | 螺钉M6*70-4.8-Zn.D | |
| GB/T825 | 螺钉M10-O | 20 |
| GB/T27 | 螺栓M12*45-8.8-O | |
| GB/T27 | 螺栓M12*50-8.8-O | |
| GB/T96.2 | 垫圈20 | |
| GB/T37 | 螺栓M30*150-8.8-O | |
| GB/T65 | 螺钉M3*12-4.8-Zn.D | |
| GB/T5783 | 螺栓M33*150-8.8-O | |
| GB/T5783 | 螺栓M12*70-8.8-O | |
| GB/T70.1 | 螺钉M4*16-8.8-O | |
| GB/T70.1 | 螺钉M20*45-8.8-O | |
| GB/T96 | 垫圈36-O | |
| GB/T85 | 螺钉M12*30-33H-O | |
| GB/T37 | 螺栓M24*260-8.8-O | |
| GB/T37 | 螺栓M30*130-8.8-O | |
| GB/T37 | 螺栓M36*200-8.8-O | |
| GB/T5783 | 螺栓M6*50-8.8-O | |
| GB/T5783 | 螺栓M20*65-8.8-O | |
| GB/T5782 | 螺栓M27*100-8.8-O | |
| GB/T5783 | 螺栓M36*100-8.8-O | |
| GB/T96 | 垫圈24-O | |
| GB/T5782 | 螺栓M24*85-8.8-O | |
| GB/T5783 | 螺栓M20*75-8.8-O | |
| GB/T5783 | 螺栓M24*90-8.8-O | |
| GB/T70.1 | 螺钉M16*150-8.8-O | |
| GB/T5783 | 螺栓M10*50-10.9-O | |
| GB/T70.1 | 螺钉M10*40-12.9-O | |
| GB/T70.1 | 螺钉M12*40-12.9-O | |
| GB/T70.1 | 螺钉M12*60-8.8-O | |
| GB/T70.1 | 螺钉M12*65-8.8-O | |
| GB/T5783 | 螺栓M36*120-8.8-O | |
| GB/T5783 | 螺栓M24*120-8.8-O | |
| GB/T5783 | 螺栓M30*150-8.8-O | |
| GB/T70.1 | 螺钉M10*20-8.8-O | 35CrMo |
| GB/T5782 | 螺栓M24*200-8.8-O | |
| GB/T5783 | 螺栓M6*45-8.8-O | |
| GB/T70.1 | 螺钉M36*120-8.8-O | |
| GB/T5783 | 螺栓M24*110-8.8-O | |
| GB/T5783 | 螺栓M36*195-8.8-O | |
| GB/T5783 | 螺栓M42*140-8.8-O | |
| GB/T825 | 螺钉M64-O | 20 |
| GB/T5783 | 螺栓M20*140-8.8-O | |
| GB/T37 | 螺栓M20*110-8.8-O | |
| GB/T5783 | 螺栓M20*35-8.8-O | |
| GB/T5783 | 螺栓M24*35-8.8-O | |
| GB/T5783 | 螺栓M12*120-8.8-O | |
| GB/T75 | 螺钉M10*45-14H-O | |
| GB/T32.1 | 螺栓M12*45-8.8-O | |
| GB/T32.1 | 螺栓M20*30-8.8-O | |
| GB/T37 | 螺栓M36*180-8.8-O | |
| GB/T5782 | 螺栓M20*65-8.8-O | |
| GB/T5783 | 螺栓M30*60-8.8-O | |
| GB/T5783 | 螺栓M12*65-8.8-O | |
| GB/T5783 | 螺栓M24*90-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M5*20-8.8-O | |
| GB/T5783 | 螺栓M16*90-8.8-O | |
| GB/T5783 | 螺栓M12*100-8.8-O | |
| GB/T5783 | 螺栓M27*65-8.8-O | |
| GB/T5783 | 螺栓M6*35-8.8-O | |
| GB/T5783 | 螺栓M30*180-8.8-O | |
| GB/T5783 | 螺栓M14*80-8.8-O | |
| GB/T5783 | 螺栓M6*55-8.8-O | |
| GB/T5783 | 螺栓M20*130-8.8-O | |
| GB/T5783 | 螺栓M20*160-8.8-O | |
| GB/T5783 | 螺栓M48*110-8.8-O | |
| GB/T65 | 螺钉M8*25-4.8-Zn.D | |
| GB/T65 | 螺钉M6*20-4.8-Zn.D | |
| GB/T65 | 螺钉M6*16-4.8-Zn.D | |
| GB/T65 | 螺钉M5*45-4.8-Zn.D | |
| GB/T65 | 螺钉M8*30-5.8-Zn.D | |
| GB/T65 | 螺钉M8*45-5.8-Zn.D | |
| GB/T65 | 螺钉M3*8-4.8-Zn.D | |
| GB/T70.1 | 螺钉M10*45-8.8-O | |
| GB/T70.1 | 螺钉M10*20-8.8-O | |
| GB/T70.1 | 螺钉M14*40-8.8-O | |
| GB/T70.1 | 螺钉M16*80-8.8-O | |
| GB/T70.1 | 螺钉M5*40-8.8-O | |
| GB/T70.1 | 螺钉M5*20-12.9-O | |
| GB/T71 | 螺钉M4*6-14H-O | |
| GB/T73 | 螺钉M6*8-14H-O | |
| GB/T819.2 | 螺钉M6*50-8.8-O | |
| GB/T858 | 垫圈24-O | Q235-B |
| GB/T95 | 垫圈12-100HV-O | |
| GB/T97.1 | 垫圈8-200HV-O | |
| GB/T97.1 | 垫圈27-200HV-O | |
| GB/T97.1 | 垫圈10-A140 | |
| GB/T97.1 | 垫圈8-A140 | |
| GB/T97.1 | 垫圈22-200HV-O | |
| GB/T97.1 | 垫圈16-A140 | |
| GB/T5781 | 螺栓M12*35-4.8-O | |
| GB/T5782 | 螺栓M36*180-8.8-O | |
| GB/T5782 | 螺栓M10*50-8.8-O | |
| GB/T5782 | 螺栓M22*100-8.8-O | |
| GB/T5782 | 螺栓M10*90-10.9-O | |
| GB/T5783 | 螺栓M8*25-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M10*25-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M16*35-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M8*40-8.8-O | |
| GB/T5783 | 螺栓M14*40-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M16*30-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M20*50-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M6*20-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M30*160-8.8-O | |
| GB/T5783 | 螺栓M33*110-8.8-O | |
| GB/T5783 | 螺栓M24*150-8.8-O | |
| GB/T5783 | 螺栓M18*70-8.8-O | |
| GB/T5783 | 螺栓M36*140-8.8-O | |
| GB/T5783 | 螺栓M5*12-8.8-O | |
| GB/T5783 | 螺栓M24*100-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M8*70-8.8-O | |
| GB/T5783 | 螺栓M6*30-8.8-O | 35CrMo |
| GB/T5783 | 螺栓M14*55-8.8-O | |
| GB/T67 | 螺钉M6*16-4.8-Zn.D | |
| GB/T70.1 | 螺钉M16*25-8.8-O | |
| GB/T70.1 | 螺钉M16*70-8.8-O | |
| GB/T70.1 | 螺钉M12*35-8.8-O | 35CrMo |
| GB/T70.1 | 螺钉M16*110-8.8-O | |
| GB/T70.1 | 螺钉M20*80-8.8-O | |
| GB/T70.1 | 螺钉M8*80-8.8-O | |
| GB/T70.1 | 螺钉M20*55-8.8-O | 35CrMo |
| GB/T70.1 | 螺钉M10*50-12.9-O | |
| GB/T70.1 | 螺钉M20*110-8.8-O | |
| GB/T70.1 | 螺钉M20*140-8.8-O | |
| GB/T71 | 螺钉M3*6-14H-O | |
| GB/T71 | 螺钉M5*10-14H-O | |
| GB/T71 | 螺钉M8*25-14H-O | |
| GB/T80 | 螺钉M5*12-45H-O | |
| GB/T80 | 螺钉M12*12-45H-O | |
| GB/T85 | 螺钉M10*20-33H-O | |
| GB/T85 | 螺钉M8*14-33H-O | |
| GB/T85 | 螺钉M8*20-33H-O | |
| GB/T85 | 螺钉M12*25-33H-O | |
| GB/T93 | 垫圈24-O | 70 |
| GB/T93 | 垫圈10 | 70 |
| GB/T93 | 垫圈20-O | 70 |
| GB/T95 | 垫圈24-100HV-O | |
| GB/T95 | 垫圈30-100HV-O | |
| GB/T96.1 | 垫圈6 | |
| GB/T97.1 | 垫圈64-200HV-O | |
| GB/T5783 | 螺栓M5*16-8.8-O | |
| GB/T5783 | 螺栓M5*25-8.8-O | |
| GB/T5783 | 螺栓M14*50-8.8-O | |
| GB/T5783 | 螺栓M5*30-8.8-O | |
| GB/T5786 | 螺栓M24*2*60-8.8-O | |
| GB/T68 | 螺钉M4*8-4.8-Zn.D | |
| GB/T70.1 | 螺钉M5*35-8.8-O | |
| GB/T70.1 | 螺钉M8*45-8.8-O | |
| GB/T70.1 | 螺钉M24*40-8.8-O | |
| GB/T70.1 | 螺钉M12*110-8.8-O | |
| GB/T70.1 | 螺钉M20*80-8.8-O | 35CrMo |
| GB/T70.1 | 螺钉M20*110-8.8-O | 35CrMo |
| GB/T70.1 | 螺钉M20*180-8.8-O | |
| GB/T70.1 | 螺钉M24*90-8.8-O | |
| GB/T70.1 | 螺钉M24*100-8.8-O | |
| GB/T70.1 | 螺钉M20*150-8.8-O | |
| GB/T70.1 | 螺钉M20*200-8.8-O | |
| GB/T70.3 | 螺钉M6*60-8.8-O | |
| GB/T71 | 螺钉M8*30-14H-O | |
| GB/T818 | 螺钉M5*8-4.8-O | |
| GB/T902.1 | 螺栓M6*30-4.8-O | |
| GB/T5783 | 螺栓M10*35-8.8-O | 35CrMo |
| GB/T71 | 螺钉M6*12-14H-O | |
| GB/T5783 | 螺栓M20*170-8.8-O | |
| GB/T70.1 | 螺钉M20*170-8.8-O | |
| GB/T70.1 | 螺钉M10*16-10.9-O | |
| GB/T5783 | 螺栓M16*70-9.8-O | |
| GB/T70.1 | 螺钉M10*90-8.8-O |
Page 3 / 19 · 3,726 part numbers
Grade 8.8 / 10.9 / 12.9, A2 / A4 stainless (304 / 316), B7 studs. Standards: ISO 898, ASTM A193 / A194, DIN 933 / 934.
Send us any model number from the catalog above, or describe your duty — we will match it across our verified factory network and respond within 24 hours.
资质与认证 — 合作工厂均具备完整资质（ISO、CE、材质报告 MTC、出厂检验单等）。出于商业保密，完整证书扫描与工厂资质仅在签署 NDA 后向已验证买家提供；询价时可直接向我们索取。 / Our partner factories hold full qualifications (ISO, CE, MTC material reports, mill test certificates). For commercial confidentiality, complete certificate scans and factory qualifications are shared with verified buyers under NDA on request.
Quality Management System
Environmental Management
EU Conformity Declaration
Registered & Licensed Supplier / 营业执照
On-site Audited Manufacturer / 实地认证
