Top Straight Shank Twist Drill Reviews

Ohamtes 6.5mm Reduced Shank Twist Drill Bits High Speed Steel HSS 4341 for Iron/Copper/Plastic/Aluminum Plates/Metal Materials, Round Shank, Double Edge, 5 Pcs

Parameter: Cutting and Shank Dia : 6.5mm / 0.26″, Cutting Edge Length: 62mm / 2.44″, Twist Drill Total Length : 100mm / 3.94″..
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 : 12.5mm / 0.49″, Cutting Edge Length: 100mm / 3.94″, Twist Drill Total Length : 151mm / 5.94″..
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..

HEAVY DUTY Core Drill Adapter for 5/8-11 thread to straight 1/2 inch shank..
Core Bit Adapter converts 5/8" - 11 Thread to 1/2 inch Straight Shank.
Heavy Duty - Twist Resistant Alloy- Most Diamond Core Masonry Bits, tile drill bits, stone polishing kit, granite polishing kit, diamond polishing pads, diamond cup grinding wheel, grinding stone for drill and Back Holders are 5/8 inch - 11 threaded adapter for core bits.
Standard drill chuck adapter or core drill bit adapter will help you use your own standard drill with drill grinding bit and drill bit core. Connects to 5/8" 11 Female Threaded Tools, Core Bits, Hole Saws - Makes them a 1/2 inch Shank as a drill shank adapter.
Drill bit adapter for granite, concrete, glass, brick. Use your diamond core bits for granite or diamond hole saw for grinder with standard drill. Now you can use sanding, cutting and polisher tools with standard chuck shank with our adapter for core bits.

【Size & Package】Cutting Edge Diameter : 12mm / 0.47″.
Package includes1pc 12mm straight shank twist drill bit..
【High Speed Steel】Made of HSS cobalt material, the drill bit is hard enough, anti-bending and will not fracture easily. The surface coating can better protect the drill bit sets from corrosion and expand their longlife..
【Straight Shank】Round shank is suitable for a wide variety of toolholding systems. Universal flute and overall length allow minimal adjustment during work..
【Double Cutting Edge】 The sharp cutting edge promotes faster as well as preciser drilling. Its spiral flute assure fast heat dissipation, protecting the twist drill bit from high temperature damage and getting rid of glitches or scrap..
【Wide Applications】Our twist drill bits have various sizes and can meet your needs for drilling glass, stainless steel, metal and wood materials, etc.. They can be clamped to manual and electric drilling tools, widely used in household or processing industries..

Manufactured from High Speed Steel Twist Drill Straight Shank Cobalt Twist Drill Hand Drill Hole Drill Set.
No center punch is needed - the 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander".
must be used and operated at 1500 RPM or greater for maximum efficiency. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.
Material: Drilling Steel, Stainless Steel, Metal and Iron. Particularly successful in cutting through wood, rubber, bamboo and plastic. DO NOT suggest to cut hard metals such as hard metal ,stainless steel and cast iron.
Package: Includes 13pcs of steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm.