CRL Double Flute Up Aluminum Cutting Router Bit Diamond Drill Bits & Countersinks 3M® Fire Barrier Sealant expands

3M® Fire Barrier Sealant expands to fill and hold the penetration closed

or others having a 3/8"-27 thread in the barrel cap

1700 Sanitary

TC60H(140 degree)

CRL Double Flute Up Aluminum Cutting Router Bit Diamond Drill Bits & Countersinks 3M® Fire Barrier Sealant expands1 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