THUNDERBIT®/High Speed Steel – 135° Split Point
• Industrial grade steel with bronze oxide surface treatment
• Bits will drill at higher speeds in tougher drilling conditions
• 135° split points for easier drill starting without the need for center punching
• Heavy duty web construction for higher strength and less breakage
• Improved chip ejection through a specially engineered flute design

DBTB129 29 pc ThunderBit® High Speed Jobber Length 135° Split Point Drill Bit Set
• Includes (29) ThunderBit® high speed jobber length 135° split point drill bits (1/16–1/2??)
• Includes metal drill index

DBTB121 21 pc Jobber Length ThunderBit® High-Speed Drill Bit Set
• DBTB1/16—DBTB3/8 (21 bits) in B121B Metal Drill Index

DBTBM125 25 pc Metric ThunderBit® Set
• 135° split points for easier drill starting without the need for center punching
• Semi-parabolic design provides improved chip and shaving ejection away from the hole to reduce heat on the bit
• Made with M2 premium high speed steel
• Black and gold finish for multiple applications
• Includes DBTBM1–DBTBM13 (25 pc)