Ningbo Haitian Fastener Industry Co., LTD.
A professional manufacturer for screws, bolts and nuts.
Screws > B.S Machine Screw Series
- B.S Slotted Countersunk Head Machine Screws
- Finish: BP, ZP, ZY
| Thead Size | 1/8" | 5/32" | 3/16" | 1/4" | 5/16" | 3/8" |
| Length | 1/4~2 | 1/4~3 | 1/4~4 | 3/8~4 | 3/8~4 | 3/8~4 |
- B.S Slotted Round Head Machine Screws
- Finish: BP, ZP, ZY
| Thead Size | 1/8" | 5/32" | 3/16" | 1/4" | 5/16" | 3/8" |
| Length | 1/4~2 | 1/4~3 | 1/4~4 | 3/8~4 | 3/8~4 | 3/8~4 |