Reviews Hss Core Bits

1/8-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12

JOBBER LENGTH: 1/8-inch cutting diameter, 1-5/8-inch flute length, 2-3/4-inch overall length, 135 degree split point, straight shank.
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: 12 pieces of 1/8-inch cobalt drill bits with case.

JOBBER LENGTH: 3/16-inch cutting diameter, 2-5/16-inch flute length, 3-1/2-inch overall length, 135 degree split point, 3-flat shank.
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: 12 pieces of 3/16-inch cobalt drill bits with case.

JOBBER LENGTH: 5/16-inch cutting diameter, 3-3/16-inch flute length, 4-1/2-inch overall length, 135 degree split point, 3-flat shank.
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: 6 pieces of 5/16-inch cobalt drill bits with case.

Includes bits for drilling into metal, wood and masonry materials as well as insert and power bits for fastening applications.
Includes (5) Phillips, (5) Pozidriv, (5) Torx and (5) slotted insert bits.
Includes (3) Phillips, (3) Pozidriv, (4) Torx, (2) slotted, and (4) hex power bits.
Includes (19) titanium nitride coated high speed steel (HSS tin) metal and wood drill bits with size range of (1 - 8 millimetre).
Includes (4) Brad point wood drill bits with size range of (4 - 8 millimetre).

✔ PREMIUM 230 PCS TITANIUM COATED DRILL BIT SET Long and Short HSS Bits of different sizes from 1/16 up to 1/2 Inch for a variety of applications to use with Steel, Wood, Fiberglass, Plastic, Metal, Copper, Aluminum Alloy and many more. (Not for concrete).
✔ PROFESSIONAL HEAVY DUTY WITH IMPRESSIVE DESIGN AND QUALITY Made of HSS 4241 Titanium coated for maximum durability that lasts longer than regular bits.
✔ COMFORTABLE, CONVENIENT AND EFFECTIVE Drill bits with 135 degree split point for effective drilling that achieves precision and prevents walking.
✔ WELL ORGANIZED IN THE CARRYING CASE All sizes are printed on tray of a heavy-duty plastic drill bit organizer to help keep the bits for drill organized with the black cushion that prevents bits from falling off or mixed inside the case.
✔ PROFESSIONAL AND PERSONAL USE this drill kit is ideal for DIY projects at home, garden, workshop and many more. One of the largest among the drill sets in the market.

Annular cutters made with super tough M2AL high speed steel (HSS) for durability, wear resistance, high efficiency and superior service life.
6 HSS core drills with Outside Diameter in inches: 1/2, 9/16, 11/16, 13/16, 15/16, 1-1/16, all with 1 inch cutting depth.
CNC-machined high precision cutters with 3/4 inch Weldon shank (with 2 flats) for secure clamping and edge finish designed for smooth, reamed, burr-free edges of drilled holes. Use a firm steady pressure throughout the cut for best results.
Compatible with various brands of magnetic drills including Alfra, BDS, Dewalt, Euroboor, Hougen, Ruko. Caution: if you want to use this annular cutter on a drill press, you need an extra annular cutter arbor. Arbor is not included in this pack.
Sturdy plastic case holding 6 annular bits, 1 pilot pin, 1 hex wrench.

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.

HSS Titanium Coating - Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean..
Flutes Form - 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process..
Quick Change - 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck..
Meet Your Demands - Great drill bits set for metal/wood/plastic countersink. Suitable for Home DIY, and General Building/Engineering Use..
Organized Holder - A drill bits holder with size index is included in the set for easy storage and organizing. The drill bits set fits the majority of brands currently on the market..

Quick change 1/4" hex shank for power drill, 7/64", 9/64", 11/64", 3/16", 7/32" HSS taper drill bits ideal for installing screws..
Use these countersinks to drill the pilot hole and countersink hole in one step..
4-Flute cutter countersink and tapered drill bit provide superior speed and ideal finish..
Adjustable countersink along taper drill to get proper pilot hole depth for different length screws..
Made of High Speed Steel (HSS) drill bits with alloy steel countersinks, good cutting performance on hardwoods and composites and long life use..