Product Range
Screws
Products
| Cross recess socket flat head wood screw , sharp point for more easy to drill material with less effort , coarse threads , which is used to buliding and furture or other wooden parts . Material : Steel Finish : Yellow zinc Thread angle : 45 degree Shpar point : 36 degree Size : 3.5X30 Hardness : HV450 Using direction 1. Make sure to pre-driling a hole that diameter less than 20% compare with screws for used to wooden part with certain hardness . 2. Make sure to pre-driling a hole that diameter less than 70% 70compare with screws for used to soft wooden parts . |
