Best Hss Taper Shank Drill

uxcell 12.1mm Dia HSS Cobalt Straight Round Shank Metric Twist Drill Bit Drilling Tool

JOBBER LENGTH: jobber length cobalt drill bit, 135 degree split point reduces drill walking, 3-flat shank provides a secrue grip in chucks.
MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits.
CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits.
APPLICATION: best used for drilling in hard metal, including stainless steel.
INCLUDE: 13 pieces cobalt drill bits in inch sizes 1/16" to 1/4" (1/64" increments) with plastic case.

Parameter: Cutting and Shank Dia : 2mm / 0.08", Cutting Edge Length: 25mm / 0.98", Twist Drill Total Length : 49mm / 1.93"..
Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc..
How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool..
Features: Premium gold titanium and black nitride dual coating, more heat and wear resistant. HSS straight shank tool strong hardness and toughness..
Package Content: 5 x Double Flutes Straight Shank Twist Bit..

Parameter: Cutting and Shank Dia : 7mm / 0.28", Cutting Edge Length: 70mm / 2.76", Twist Drill Total Length : 109mm / 4.29"..
Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc..
How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool..
Features: Premium gold titanium and black nitride dual coating, more heat and wear resistant. HSS straight shank tool strong hardness and toughness..
Package Content: 5 x Double Flutes Straight Shank Twist Bit..

Parameter: Cutting and Shank Dia : 4mm / 0.16″, Cutting Edge Length: 43mm / 1.69″, Twist Drill Total Length : 75mm / 2.95″..
Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc..
How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool..
Features: Premium gold titanium and black nitride dual coating, more heat and wear resistant. HSS straight shank tool strong hardness and toughness..
Package Content: 2 x Double Flutes Straight Shank Twist Bit..

HSS Titanium Coating - Jefe Hex Titanium (TIN) coated Drill Bit can offer 3 times longer life than drill bits without coating..
Hex Shank - Hex shank can be fit in quick-change chuck easily. And it can transit high torque from power tools to the working part of drill bit. Hex shank also eliminates the frustration of shank spinning in chuck. There is an ENHANCED TAPERED WEB in the drill bit that greatly increases the drill bit's strength and reduces premature breakage..
Accuracy - 135° split point geometry ensures accurate start and reduces walking on the working surface. Proprietary solid bonding technology eliminates radial run out and improves concentrically. High torque, Impact-rated..
Multi-Function - Jefe Hex drill bits are built for general purpose applications, such as DIY projects, home maintenance and MRO (Maintenance, Repair and Operations). Ideal for use in steel, copper, aluminum, zinc alloy, cast iron, wood and plastics..
Package & Size - 12 Pieces drill bits in a tube. Diameter 1/8 inch, total length 2.64 inch, 135° Split- point, hex shank drill bits..