Irwin Industrial Tools 3018002 29-Piece Cobalt M-35 Metal Index Drill Bit Set with Case (B000BO9JMK) - Prices and Reviews

Editorial Review:

Cobalt M-35 Drill Bit Industrial Set Case - 29-Pc Cobalt steel extends cutting edge life and maintains cutting life after resharpening. Extra hard drill for greater wear. 135deg split point tip starts on contact, cuts with less force. Reduced shank above 3/8" allows the use of larger drill bits in a 3/8" chuckvRubber overmolded case protects kit if dropped. Tap & Drill selection chart for convenient reference. Automatic indexing for easy bit access and identification. Removable cartridges: easy to carry bits from case to worksite. Sizes include 1/16" to 1/2" in 1/64" increments. Contains the following drill bit sizes: 1/16 in., 5/64 in, 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in., 11/64 in., 3/16 in., 13/64 in., 7/32 in., 15/6 in., 1/4 in., 17/64 in., 9/32 in., 19/64 in., 5/16 in., 21/64 in., 11/32 in., 23/64 in., 3/8 in., 25/64 in., 13/32 in., 27/64 in., 7/16 in., 29/64 in., 15/32 in., 31/64 in., 1/2 in.

The Irwin 29-Piece Cobalt M-35 Metal Index Drill Bit Set includes drill bit sizes measuring from 1/16 to 1/2-inch in 1/64 inch increments. The 29 bits are made using heavy duty web construction for strength and durability, and the cobalt steel extends the life of cutting edges. The 135-degree split point tips start drilling on contact and cut with less force. A reduced shank above the 3/8-inch point lets you use larger drill bit in a 3/8-inch chuck, and you can select the right bit using a convenient tap and drill selection chart. The set's rubber overmolded case protects against damage from accidental dropping, and you can remove cartridges to easily carry bits from the case to your worksite.

Customer Reviews:

Avg. Customer Rating: 4.0 / 5.0

Sizes Are Slightly Off:

This set has a great assortment, but some of the sizes (27/64 and others) are slightly off and are too small. I've thrown this out and purchased an accurate set.

A better value than cheap bits, work great in steel!:

I feel like I have stepped up into a "used to" category. I "used to" use my Craftsman and Makita drill bit sets. I "used to" occasionally break bits off from putting too much pressure on them to get them to cut faster. These bits are so much better than the grades you get at Sears, Lowes, Home Depot, etc. I have been upgrading my 57 chevy including drilling 1/2" holes through the A arms to put in an anti-sway bar. Tasks are just easier when you don't have to stop and sharpen a bit or keep drilling because... more info

Gets dull and chips immediately:

After several use drilling 3/8" mild steel I noticed that I already have several bits with chipped ends. These bits get dull quickly too.
Made in China.
Would not buy again.

COBALT DRILL BITS:

HAVE USED THE 1/4 IN BIT ABOUT 3 TIMES AND IT IS ALREADY SHOWING SIGNS OF DULLING. VERY DISAPPOINTED WITH THE PERFORMANCE OF THE BITS THUS FAR. WOULD NOT PURCHASE AGAIN .

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