Awesome! Very useful and got a good deal on it as well.
Using it all the time and is a real game changer. I swear my neighbor purposefully kills their battery on purpose just to get a boost with this bad boy ;)
Excelente máquina de soplar
Usually ready in 4 hours
Order over the phone? Call us now.
1-800-905-0410Learn more about our Price match policy
Step Drill Bit, Material HSS, Titanium Nitride Finish, Number of Hole Sizes 13, Shank Size 1/4 In., Step Thickness 1/32 In., Size Range 1/8 In. to 1/2 In., Sizes Included 1/8 In., 5/32 In., 3/16 In., 7/32 In., 1/4 In., 9/32 In., 5/16 In., 11/32 In., 3/8 In., 13/32 In., 7/16 In., 15/32 In., 1/2 In., Number of Flutes 1, Shank Type Hex, Bit Length 3-1/8 In. UNIBIT 1T 13 Hole Sizes (1/8"-1/2"), 1/32" Increments
Features
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Single-flute cutting edge for greater control through steps
3 flatted shank prevents slipping in drill chuck
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
Specifications
Is Discontinued By Manufacturer : No
Product Dimensions : 5.5 x 2.51 x 0.4 inches; 0.35 Ounces
Item model number : 15101ZR
Date First Available : November 9, 2004
Manufacturer : IRWIN
ASIN : B0002NYBLO
Domestic Shipping : Item can be shipped within U.S.
International Shipping : This item can be shipped to select countries outside of the U.S. Learn More
Best Sellers Rank : #248,592 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #326 in Step Drill Bits
Customer Reviews : 4.3 out of 5 stars 10 ratings
Material : High Speed Steel
Brand : Irwin Tools
Item Dimensions LxWxH : 5.5 x 2.51 x 0.4 inches
Shank Type : Round With Flats
We are offering a 30-day money-back guarantee!
If you are not satisfied with your purchase within 30 days of receiving the product, you can ship it back to us for a refund or exchange.
Before returning the item, kindly send us a request using the Self-Serve Return option or contact our customer support team to get your return authorization. You may contact us by email at support@mprtools.com, phone at 1-800-905-0410, or chat through our website. We are available Monday to Friday from 8 am to 5 pm ET.
We want to guarantee your experience with us will be outstanding. Here are just a few of the reasons why mprtools.com is the go-to company to get your tools from:
We work very hard to ensure we offer the absolute best prices online. If you find it at a lower price somewhere else within 365 days of purchasing, please message us, and we’ll credit you back the difference right away.
It's our duty to provide superior quality tools you can trust to get the job done. If you're not fully satisfied with your order, you can request a return for a complete reimbursement.
I purchased this to drill through enclosures for effects pedals, and it works excellent. Drilling in steps is great for checking whether or not parts fit on the fly, and the bit seems quite sturdy.
Irwin makes acceptable tools.
What a nice unibit. Very fast and sharp. The price was even nicer compared to the major outlets. I highly recommend.
This is a great versatile countersink. I don't know how I lived without one for so long. They are very durable. I used it to countersink a few thousand holes in mahogany decking
This Irwin step-drill was reasonably priced and has lasted about the longest of any I've had in this size range. I keep a bit of this size in each of my drill storage cases and since this 1/8" to 1/2" size bit is also the one I tend to use most with my cordless drill, I keep one in the nail set holder of my tool pouch, so it's always ready to go. It is just the right size to make a hole in metal enclosures for the draw stud of my 1/2" Greenlee manual KO punch, which I will often use to make the hole for the draw stud of the larger KO punches, so it gets used quite a bit for that. With this size bit, over time I usually seem to end up snapping off the 1/8" tip then grinding it down to a new larger point so I can continue to use it. So far, this bit has managed to keep its tip, so not sure if it's just luck or if maybe there is something to the titanium nitride coating after all, but either way I'm happy with this step-drill and will buy again.
Step Drill Bit, Material HSS, Titanium Nitride Finish, Number of Hole Sizes 13, Shank Size 1/4 In., Step Thickness 1/32 In., Size Range 1/8 In. to 1/2 In., Sizes Included 1/8 In., 5/32 In., 3/16 In., 7/32 In., 1/4 In., 9/32 In., 5/16 In., 11/32 In., 3/8 In., 13/32 In., 7/16 In., 15/32 In., 1/2 In., Number of Flutes 1, Shank Type Hex, Bit Length 3-1/8 In. UNIBIT 1T 13 Hole Sizes (1/8"-1/2"), 1/32" Increments
Features
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Single-flute cutting edge for greater control through steps
3 flatted shank prevents slipping in drill chuck
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
Specifications
Is Discontinued By Manufacturer : No
Product Dimensions : 5.5 x 2.51 x 0.4 inches; 0.35 Ounces
Item model number : 15101ZR
Date First Available : November 9, 2004
Manufacturer : IRWIN
ASIN : B0002NYBLO
Domestic Shipping : Item can be shipped within U.S.
International Shipping : This item can be shipped to select countries outside of the U.S. Learn More
Best Sellers Rank : #248,592 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #326 in Step Drill Bits
Customer Reviews : 4.3 out of 5 stars 10 ratings
Material : High Speed Steel
Brand : Irwin Tools
Item Dimensions LxWxH : 5.5 x 2.51 x 0.4 inches
Shank Type : Round With Flats
We are offering a 30-day money-back guarantee!
If you are not satisfied with your purchase within 30 days of receiving the product, you can ship it back to us for a refund or exchange.
Before returning the item, kindly send us a request using the Self-Serve Return option or contact our customer support team to get your return authorization. You may contact us by email at support@mprtools.com, phone at 1-800-905-0410, or chat through our website. We are available Monday to Friday from 8 am to 5 pm ET.
We want to guarantee your experience with us will be outstanding. Here are just a few of the reasons why mprtools.com is the go-to company to get your tools from:
We work very hard to ensure we offer the absolute best prices online. If you find it at a lower price somewhere else within 365 days of purchasing, please message us, and we’ll credit you back the difference right away.
It's our duty to provide superior quality tools you can trust to get the job done. If you're not fully satisfied with your order, you can request a return for a complete reimbursement.
I purchased this to drill through enclosures for effects pedals, and it works excellent. Drilling in steps is great for checking whether or not parts fit on the fly, and the bit seems quite sturdy.
Irwin makes acceptable tools.
What a nice unibit. Very fast and sharp. The price was even nicer compared to the major outlets. I highly recommend.
This is a great versatile countersink. I don't know how I lived without one for so long. They are very durable. I used it to countersink a few thousand holes in mahogany decking
This Irwin step-drill was reasonably priced and has lasted about the longest of any I've had in this size range. I keep a bit of this size in each of my drill storage cases and since this 1/8" to 1/2" size bit is also the one I tend to use most with my cordless drill, I keep one in the nail set holder of my tool pouch, so it's always ready to go. It is just the right size to make a hole in metal enclosures for the draw stud of my 1/2" Greenlee manual KO punch, which I will often use to make the hole for the draw stud of the larger KO punches, so it gets used quite a bit for that. With this size bit, over time I usually seem to end up snapping off the 1/8" tip then grinding it down to a new larger point so I can continue to use it. So far, this bit has managed to keep its tip, so not sure if it's just luck or if maybe there is something to the titanium nitride coating after all, but either way I'm happy with this step-drill and will buy again.
Sign up to get the latest guides and special offers sent to your inbox.
THE MECHANIC'S TOOLBOX™
1-800-905-0410 (Toll Free)
support@mprtools.com
Opening Hours
Mon - Fri: 8 am - 5 pm ET
Sat & Sun: Closed
Country/region
Awesome! Very useful and got a good deal on it as well.
Using it all the time and is a real game changer. I swear my neighbor purposefully kills their battery on purpose just to get a boost with this bad boy ;)
Excelente máquina de soplar
Great product.