Name: 1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12
Rating: 4.5 (2626 reviews)

Cobalt

Made from high speed steel and 5% cobalt. The additional of cobalt improves heat resistance and red hardness.

135° Split Point

Best for portable drills. Reduce drill walking, require less force than 118° point.

3-Flat Shank

Provide a secure grip in chucks, keep drills from slipping in your keyless chucks.

For Hard Metal

Perform better than normal high speed steel drill bit in drilling through harder materials especially stainless steel.

Drill Hulk cobalt drill bits are made from high-speed steel and 5% cobalt.

The addition of cobalt improves strong durable performance in harder materials especially stainless steel.

Made in China

You Will Get:

12 pieces of 1/4-inch. x 4-inch. cobalt drill bits with case

Notice:

For high-speed drilling through metal, lubricate the bit with lightweight oil.

Warning:

Drill bits can shatter during use.

Always wear safety goggles and safety items when drilling.

California Proposition 65 Warnings: California requires the following notice: WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

	DHCO33	DHTI33	DHCO13

Customer Reviews	2,626	989	2,626
Price	$26.88	$21.98	$16.98
Drill Diameter	1/4 inch	1/4 inch	1/16 - 1/4 inch
Overall Length	4 inch	4 inch	Set
Material	Cobalt Steel	M2 High Speed Steel	Cobalt Steel
Best For	Hard Metal, including Stainless Steel	Medium and Softer Materials, Soft Metal, PVC and Wood	Hard Metal, including Stainless Steel

JOBBER LENGTH: 1/4-inch cutting diameter, 2-3/4-inch flute length, 4-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 1/4-inch cobalt drill bits with case

› See more product details

Material	High-Speed Steel and 5% Cobalt
Shank Diameter	0.25 Inches
Cutting Diameter	0.25 Inches
Finish Type	Gold Oxide
Shank Type	3-Flat