Hangzhou Lizhan Hardware Co.,Ltd
choose us:
1¡¢A series of systematic service of special fasteners which can make customers enjoy one-station service.
2¡¢To be professional is the origin of customer's company
3¡¢To be responsible is the priceless name card of a company
4¡¢We can design and process according to your samples and drawings,provide design of special fasteners for your reference and help you solve the practical problems in machinery industry.
DRYWALL SCREW
Case hardened, Piercing Point Screws For Fixing To Light Steel or Wood Studs Without
Pre-Drilling Zinc, Yellow Zinc, Black & Grey Phosphated Available
| normal size |
#6 |
#7 |
#8 |
#10 |
| normal size |
M3.5 |
M3.9 |
M4.2 |
M4.8 |
| thread diameter |
min. |
3.4 |
3.75 |
4.05 |
4.7 |
| max. |
3.6 |
4 |
4.3 |
4.95 |
| head diameter |
min. |
7.9 |
7.9 |
7.9 |
8.6 |
| max. |
8.4 |
8.4 |
8.4 |
9.2 |
| head height |
max. |
0.8 |
0.8 |
0.8 |
0.8 |
| radius |
min. |
4 |
4 |
4 |
4 |
corase thread for wood
Fine thread for metals
|
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