TRI-LOK™ Blade Cutterhead

Suited for drilling in unconsolidated formations such as sandy loam and clay. Designed to accept a wooden plug or brass guide for use with the overshot wireline system.

Available in 3-1/4", 4-1/4", 6-5/8", 8-1/4", 10-1/4" and 12-1/4" (83, 108, 168, 210, 260 and 311mm) I.D.