High speed steel ground to DIN338 and manufacturer from black oxide M1 material.
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22-22950 - Jobber Drill Bit - High Speed Steel 8mm
22-22955 - Jobber Drill Bit - High Speed Steel 10mm
22-22965 - Jobber Drill Bit - High Speed Steel 12mm
22-22970 - 5 Piece SDS Bit Set - 5.5 6 7 8 10mm
Designed for exceptional fast drilling in brick, block, masonry, concrete and granite, this advanced SDS set clears drilling dust directly into the flute reducing the risk of clogging.