| The company's main product classification | |
| By material | Plastic, aluminum, iron, stainless steel 201, 304, 316 |
| Mark according to standard | National standard, new national standard, British system, American system, metric system, non-standard and so on |
| Graded by hardness | Carbon steel 4.8, stainless steel A2-70, carbon steel 8.8, carbon steel 12.9 and so on |
| Head part | Round head, half round head, flat head (countersunk head), half countersunk head, cylindrical head, large flat head, flat head, B head, belt medium, no first class |
| According to the groove type | Cross, one word, eleven words, inner hexagon, outer hexagon, outer hexagon inside cross, etc |
| Points according to surface treatment | Color zinc, white zinc, blue zinc, nickel plating, oxidation black, chrome plating, copper plating, imitation gold, etc |
| According to dental classification | Machine thread teeth, self tapping teeth, double head teeth, one machine one tapping teeth, whole teeth, half teeth, smooth rod, etc |
| Disposal according to use | Screws, bolts, nuts, gaskets, non-standard shapes, hardware tools, furniture screws, etc |
| By shape | Hexagonal, round, butterfly, hook, claw, plum, M font, L shape, U shape, ring, etc |
| According to processing points | Add hard, car parts, pit, tip, flat tip, foot (milling foot), rubbing, environmental protection, salt spray test, stamping parts, etc |
| More than 30 years of professional production experience, accept custom, factory direct sales, rich categories, complete specifications, quality assurance, trustworthy | |
