Irwin® UNIBIT® 10231 Self-Starting Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, High Speed Steel, 1 Hole Size, 1/4 in Shank

0 Ratings
$30.98
In Stock
SKU: UNB1
GTIN (EAN,ISBN): 00038548101019
noimage_new

Irwin® UNIBIT® 10231 Self-Starting Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, High Speed Steel, 1 Hole Size, 1/4 in Shank

In Stock
HCI of Jackson: 3
HCI of Dyersburg: 1
HCI of Humboldt: 3
HCI of Union City: 1
HCI of Gallatin: 0
My Wishlist
Compare
Main specs
  • Brand
    Irwin®
  • UPC
    385481010190
  • Manufacturer Part Number
    10231
  • Country
    USA
Specification
  • Finish
    Black Oxide
  • Point Type
    SpeedPoint®
  • Material
    High Speed Steel
  • Maximum Hole Diameter
    1/2 in
  • Flute Type
    Spiral
  • Minimum Hole Diameter
    1/8 in
  • Color
    Silver Metallic
  • Type
    Self-Starting
  • Applicable Materials
    Aluminum/Brass/Copper/Laminates/Plastic/Stainless Steel
  • Number of Flutes
    1
  • Shank Size
    1/4 in
  • Shank Type
    Hex
  • Number of Hole Sizes
    1
  • Number of Steps
    13
  • Drill Diameter Measurement System
    Imperial
  • Step Depth
    1/8 in
  • Overall Length
    3 in
  • Letter/Wire Size
    #1
Features
  • Single flute cutting edge for greater control through steps
  • Hex shank prevents slipping in drill chuck
  • New SpeedPoint® tip penetrates faster than previous Unibits and prevents walking
  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Competitor Information
Competitor Name Competitor Part Number
Fastenal 03854810101
Additional Information
  • UNSPSC
    23241640
  • Package Description
    EACH
Reviews

There are yet no reviews for this product.

Recently Viewed

Irwin® UNIBIT® 10231 Self-Starting Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, High Speed Steel, 1 Hole Size, 1/4 in Shank

Milwaukee® M/2™ 2-cutter SDS Plus rotary hammer drill bits are the most durable 2-cutter bits with up to 20% more holes per charge in cordless rotary hammers. The enhanced rebar guards provide increased durability in hard aggregate and rebar. Breaker point pulverize the material more effectively resulting in faster drilling speeds. The variable flute allows for maximum debris extraction leading to up 20% more holes per charge in cordless rotary hammer while making it a very durable bit in corded and cordless rotary hammers. Additionally, M/2™ features a centering tip for exact spot drilling, wear mark indicator indicating when the bit no longer meets ANSI diameter requirements, and a reinforced flute for durability and minimized vibration. The increased life and efficiency of the M/2™ 2-cutter drill bit line provides the ideal solution in general concrete for cordless and corded rotary hammer users.

The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate skidding and the need for center punching. Set includes #1, 2, 4, and 21 size step drills.

Bore small, clean holes at any angle in a variety of materials with the Milwaukee® 6-piece 6 in. universal flat boring bit set. These premium quality flat boring bits are made of heat-treated high carbon steel, so the drill points and cutting edges can be resharpened for cost savings and long life. Bore clean, fast holes at any angle in wood, plastic, plywood and Formica. These bits offer a 6 in. drilling depth but can be used with a 12 in. extension (48-28-3350) for extended deep-hole drilling. 3/16 in. shank diameter. The set consists of six of the most popular size bits (3/8 in., 1/2 in., 5/8 in., 3/4 in., 7/8 in. and 1 in.) in a carrying case.

Featuring heavy-duty titanium nitride coating PILOT POINTs that start on contact and helps to prevent walking, the DEWALT includes commonly used bits for a range of metal and wood-drilling applications. No-spin shanks helps to prevent bits from slipping, and a tapered web delivers helps to increased durability to helps to reduce breakage. A durable carrying case keeps bits organized and ready to go.

If you need any additional information, prices, availability, etc. please contact us at 1-800-290-9908 or e-mail us at

Footer Menu