CRL High Speed Steel Spiral Single Flute Aluminum Cutting Router Bit Backer Rods & Insert Tools Friction hex drive rod provides

Friction hex drive rod provides the thrust of a metal gun

The most commonly worn-out component part in bulk caulking guns are the leather cups

compressive strength

and center to the scored line

CRL M64 conforms to and passes:

CRL High Speed Steel Spiral Single Flute Aluminum Cutting Router Bit Backer Rods & Insert Tools Friction hex drive rod provides1 4" (6. 4 mm) Shank High Speed (Aluminum Cutting) Spiral Bits Single and Two Flute Bits are Available Use these CRL High Speed Steel Spiral Bits for routing aluminum storefront tubes. Bits are available in either a spiral up or spiral down configuration. Single fluted bits for faster cuts are available, as well as double spiraled bits for a smoother more precise cut. All bits are approximately 2 3 4" (70 mm) long. Product images shown are of the