Part Number: 22773 KTIXD3127. 3/8 Speedy Tip Bit. Speedy tip design eliminates need for pilot holes and prevents bit from walking on curved surfaces.
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45° Inserts, Valve Seat Cutting Carbide Tip Bit Inserts for Rottler Serdi Newen
Valve Seat Cutting Carbide Tip Bit Inserts, 45° Inserts, for Rottler Serdi Newen