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The Multiconstruction™ style of bit comes in diameters of 1/8" to 1/2" and Lengths of 3", 6",  8" or 10".

This Champion 15-Piece Twister Set features XGO BlackGold® twist drills for heavy-duty applications. (SL15-XGO) They are manufactured to exacting standards from M7 molybdenum high speed steel.

This Champion 29-Piece Twister Set (TWISTERXGO) features XGO BlackGold® twist drills for heavy-duty applications. They are manufactured to exacting standards from M7 molybdenum high speed steel, and they are made of superior material for added durability.

Drill with ease when you have the Festool Twist Drill Bit HSS D3/33, 10 Pack (493437). For use as replacement for Centrotec shank 493421, it's made of precision-ground HSS steel, which stays sharp longer for precise hole drilling and a long service life.

Drill with ease when you have the Festool Twist Drill Bit D3.5/39, 10 Pack (493438). For use as replacement for Centrotec shank 493422, it's made of precision-ground HSS steel, which stays sharp longer for precise hole drilling and a long service life.

Drill with ease when you have the Festool Twist Drill Bit D4/43, 10 Pack (493439). For use as replacement for Centrotec shank 493423, it's made of precision-ground HSS steel, which stays sharp longer for precise hole drilling and a long service life.

Drill with ease when you have the Festool Twist Drill Bit D4.5/47, 10 Pack (493440). For use as replacement for Centrotec shank 493424, it's made of precision-ground HSS steel, which stays sharp longer for precise hole drilling and a long service life.

Drill with ease when you have the Festool Twist Drill Bit D5/52, 10 Pack (493441). For use as replacement for Centrotec shank 493425, it's made of precision-ground HSS steel, which stays sharp longer for precise hole drilling and a long service life.