Use the threaded mounting hole on these bases to hold upright posts and fixtures. Bases have a magnetic-release switch for easy setups.

V-grooved bases can be mounted on both curved and flat metal surfaces.

Base

Flat Base

V-Grooved Base

Base

Lg. Wd. Ht. Thread

Size Thread

Pitch, mm Material Magnetic

Pull, lbs. Mounting

Hole Location Features Each

Flat

1 3/16" 1 3/16" 1 3/16" M5 0.8 Cast Iron 38 Top Magnetic-Release Switch 1977A17 $43.04

4 3/4" 2 3/8" 2 1/16" M8 1.25 Cast Iron 337 Top Magnetic-Release Switch 1977A2 143.06

V-Grooved

2 5/8" 2" 2 3/16" M8 1.25 Cast Iron 176 Top Magnetic-Release Switch 1977A1 40.14

3" 2" 2 3/16" M8 1.25 Cast Iron 220 Top Magnetic-Release Switch 1977A15 56.50

4 5/8" 2" 2 3/16" M10 1.5 Cast Iron 292 Top Magnetic-Release Switch 1977A16 128.92

Upright Post

Thread

Size Pitch,

mm Lg. Dia. Material Each

M5 0.8 5 15/16" 9.5mm Steel 1977A45 $3.83

M8 1.25 6 15/16" 12mm Steel 1977A38 11.06

M10 1.5 6 15/16" 12mm Steel 1977A42 4.73