wiil bolt, ọkwa 10.9-12.9, ihe eji arụ ọrụ 40Cr.
Ozi Ngwaahịa
Ọkwa usoro ihe dị iche iche bụ 12.9, ike siri ike nke ikpe bụ HRC 38-42, ihe eji arụ ọrụ bụ 40CR, a na-ejikwa bluing agwọ elu ya, eriri skru nwere nkọwa ụdị abụọ, otu bụ sistemụ metric: M12-M24-6g, nke ọzọ bụ sistemụ denominator: 1/2-1/4--2A. Enwere ike ịhazi nkọwapụta ahụ.
Nhazi / Nhazi / Nkọwa Foto
Ịse ihe osise:

Ngwaahịa na-egosi:

Anyị nwere ọtụtụ puku nọmba akụkụ dị iche iche, dịka:
| SM9/16*1 14/25 | |
| 9W9265+8H5724 | D3 |
| 3S8182+7H3607 | D5, D6C |
| 6V0937+7H3607 | D5, D6H |
| 1171617+7H3608 | |
| SM3/4*2 | D6H |
| 5P4130+7H3608 | D8L,D7H,D8N |
| SM3/4*2 7/25 | D7G |
| 3S0336+7H3608 | D7,D7E,571,572E |
| 5P7665+7H3608 | |
| SM3/4*2 16/25 | D8N |
| 9S2727+7H3609 | D8K |
| 9W8328+7H3609 | D9H,D9N,D9L |
| 7T1248+7H3609 |































