Nơi xuất xứ
Shandong, China
Hợp kim hay không
Không hợp kim
Trung học hay không
Không trung
Product name
Mailbox Supporting Foundation Round Helica Screw
Shaft material
Seamless steel, ASTM A500 GRADE B or customized
Helices material
ASTM A36 hot rolled plate
Corrosion protection
ASTM A153 hot dipped zinc coating
Helical lead length
3ft/5ft/7ft/10ft or Customized
Extension length
3ft/5ft/7ft/10ft
Helix thick
3/8'' and 1/2''
Helix size
8/10/12/14 inch
Advantage
High quality, easy install, rustproof surface treatment