Skip to Main Content

For security, click here to clear your browsing session to remove customer data and shopping cart contents, and to start a new shopping session. 

Tractor Supply Co.

We Are Listening...

Say something like...

"Show me 4health dog food..."

You will be taken automatically
to your search results.

Please enable your microphone.

Your speech was not recognized

Click the microphone in the search bar to try again, or start typing your search term.

We are searching now

Your search results
will display momentarily...

Main Content
MESSAGE

Mibro 1/4 in. Diameter Cobalt Steel Drill Bit, 249881

SKU: 390729399
Mibro 1/4 in. Diameter Cobalt Steel Drill Bit, 249881
Enter Zip Code for price More Info
Product price

Save Up To
See price at checkout More Info
Product Rating is 5.0
5.0
 (2)

Quantity

TSC of  #

,
TSC of  #

,
TSC of  #

,
TSC of  #

,
Check Availability at Other Stores
Standard Delivery Not Available to 
Notice: This item will ship within 0 days.
This product may require up to 0 additional days for order processing prior to shipping.
Change Delivery Location

Item Information

Designed to make precise holes in hard metals such as stainless steel this precision ground drill is made with cobalt high speed steel to withstand the heat and pressure of drilling into hard materials

  • Use on wood, wood composites, plastics and all metals including hard metals such as stainless steel
  • Made with M35 High Speed Steel containing 5% cobalt for superior heat resistance
  • Fully ground manufacturing ensures straighter more precise holes
  • Drill body features a tapered core for increased strength
  • 135° split point tip eliminates the need for a center punch and keeps the drill bit from walking
  • 3 flats on the drill's shank insure that it is held tightly in the drill chuck

Specification Description
Bit Diameter: 1/4 in.
CountryofOrigin: Imported
Hole Diameter: 1/4 in.
Product Width: 1-5/8 in.
Brand: Mibro
Product Weight: 0.04
Additional Item(s) Included: None
Application/Use: Use on wood, wood composites, plastics and all metals including hard metals such as stainless steel
Number of Items Included: 1
Package Quantity: 1
Product Height: 0.25
Product Length: 4.08
Product Length: 7-7/8 in.
Product Width: 0.25
Housing Material: Steel
Shank Diameter: 1/4 in.
Part Number: 249881
Minimum Chuck Size: 3/8 in.
Manufacturer Part Number 249881
Mibro 1/4 in. Diameter Cobalt Steel Drill Bit, 249881 is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from Drill Bit Good tough bit. Drilled several holes in hard metal and bit still seems good.
Date published: 2019-07-25
Rated 5 out of 5 by from 1/4 IN cobalt bit 1/4 in bit was what I needed to finish a project worked perfect really liked the sharpness of the bit
Date published: 2019-07-24
  • y_2020, m_4, d_7, h_13
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.5
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_2
  • loc_en_US, sid_390729399, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_tractorsupply
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • LOCAL, getContent, 7ms
  • REVIEWS, PRODUCT

What is the length?

Asked by: Jerry 48
Overall length of the drill Bit (from tip to the end of the shank) is 4” The length of the flute (the effective drilling depth) is 2 ¾”
Answered by: MIBRO Customer Care Team
Date published: 2018-06-14
  • y_2020, m_4, d_7, h_13CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.5
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_1
  • loc_en_US, sid_390729399, prod, sort_[SortEntry(order=FEATURED, direction=DESCENDING)]
  • clientName_tractorsupply
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • LOCAL, getContent, 4ms
  • QUESTIONS, PRODUCT