High quality helical screw pile piers anchors

High quality helical screw pile/piers/anchors--Specification

Name
Round Shaft Helical Piers
Square Shaft Helical Piers
Pipe Material
ASTM A252 Grade2 or 3,ASTM A500 Grade B/C
ASTM A5140
Helix plate material
ASTM A36 plate
ASTM A36 plate
Pipe size
2.875 OD/3.00 OD/3.50 OD./4.5”OD/5.5”OD
1.25”/1.5”/1.75”/2.0”/2.25” etc
Helix leading edges
Sharpened and rock cut and 45 degree
Helix Size
6”/8”/10”/12”14”/16”18”/20”/24”
Helices thickness
3/8” and 1/2” and 5/8” etc
Corrosion protection
ASTM A153 standard for hot dip galvanization, can be also painted colors
Lead sections
Available in 3, 5 ,7 and 10 foot lengths.
Extensions
Available in 3, 5, 7 and 10-foot lengths.
OEM service
Accepted
Bolt and nuts
Available
Helix numbers
Single Helix/ Double Helix/ Triple Helix/Four Helix