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Heavy-Duty Cobalt High-Speed Steel Drill Bits
Specification:
Material: HSS CO8 M42 (8% co), HSS CO M35 (5% co)
Standard: DIN 338, DIN 340, DIN 1897, Jobber length
Surface: Bright / Black Oxide / Amber / Black&Gold / Titanium / Rainbow Color
Point Angle: 118 degree, 135 split degree
Shank Type: straight round, tri-flat, hexagon
Size: 0.8-25.5mm, 1/16″-1″, #1-#90, A-Z
