DT4957 29 Piece HSS E Cobalt Metal Drill Bits Set in Cassette

• The 8% cobalt content maintains a sharp cutting edge and delivers 4X longer life vs standard DeWALT metal drills
• Optimized drill tip and pitch geometry provide 2X faster drilling performance, remove material faster and reduce heat build-up
• Center tip for accurate holes on all surfaces and minimizes damage to work surface

Technical data

• Diameter: 1, 1.5, 2, 2.5, 3, 3.2, 3.3, 3.5, 4, 4.2, 4.5, 4.8, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm
• Length: 34-151mm
• Working length: 12-98mm
• Number of pieces: 29