Professor Foam Drill Bits compatible w/ 6 ea 246627 246629 for Graco AR4242 Chamber Air chlorinated hydrocarbons (trichlorethylene)

chlorinated hydrocarbons (trichlorethylene)

Contains 2 replacement o-rings of standard Buna material and 2 single use silicone grease for o-ring protection

Measures 1-13/16" OD

Includes 2 cartridges

this Viton O-ring is 90A

Professor Foam Drill Bits compatible w/ 6 ea 246627 246629 for Graco AR4242 Chamber Air chlorinated hydrocarbons (trichlorethylene)Black Oxide drills are often preferred to avoid overdrilling a mixing chamber and making it useless as black oxide bits will break before the mixing chamber is overdrilled. Cheaper to lose a bit than a mixing chamber. Includes 6 sets for a total of 12 pieces. Set of 12 with 24 total drill bits also available.