Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
Cart Icon
0
Cart Icon
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Tools & Machining
  4. /
  5. Cutting Tools
  6. /
  7. Drill Bit Accessories
  8. /
  9. Drill Extensions
Search Feedback

Drill Extensions (312 items) - Page 4

Regal Cutting Tools No. 33 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 036710AA
Regal Cutting Tools

No. 33 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G715880420
Mfr # 036710AA
product price:  $6.79
/ea
Sold in mult. of 2 for $13.58
No Product Image Available
Crescent

Drill Bit Extension, 5.5in, 3/8in

Zoro # G612532934
Mfr # CDEX-5521
product price:  $10.99
/ea
Regal Cutting Tools No. 42 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 036701AA
Regal Cutting Tools

No. 42 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G315880073
Mfr # 036701AA
product price:  $7.95
/ea
Sold in mult. of 2 for $15.90
Regal Cutting Tools D 12 Aircraft Extension Drill 135 Split Point - Treated 031329AA
Regal Cutting Tools

D 12 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G215880807
Mfr # 031329AA
product price:  $23.65
/ea
Garr Tool Extension Length Drill, High Performance, Series: 1850H, 0.81 mm Drill Size - Metric 514
Garr Tool

Extension Length Drill, High Performance, Series: 1850H, 0.81 mm Drill Size - Metric

Zoro # G316072033
Mfr # 514
product price:  $52.99
/ea
Regal Cutting Tools No. 16 6 Aircraft Extension Drill 135 Split Point - Treated 030539AA
Regal Cutting Tools

No. 16 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G115879925
Mfr # 030539AA
product price:  $6.49
/ea
Sold in mult. of 2 for $12.98
Regal Cutting Tools No. 13 6 Aircraft Extension Drill 135 Split Point - Treated 030542AA
Regal Cutting Tools

No. 13 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G415879946
Mfr # 030542AA
product price:  $6.49
/ea
Sold in mult. of 2 for $12.98
Regal Cutting Tools No. 6 6 Aircraft Extension Drill 135 Split Point - Treated 030549AA
Regal Cutting Tools

No. 6 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G715880536
Mfr # 030549AA
product price:  $7.75
/ea
Sold in mult. of 2 for $15.50
Regal Cutting Tools C 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 036763AA
Regal Cutting Tools

C 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G915880688
Mfr # 036763AA
product price:  $15.15
/ea
Regal Cutting Tools No. 37 6 Aircraft Extension Drill 135 Split Point - Treated 030518AA
Regal Cutting Tools

No. 37 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G115879864
Mfr # 030518AA
product price:  $4.79
/ea
Sold in mult. of 2 for $9.58
Bes Products 54'' Flex Bit Extension for 3/16'' shaft FIBEX54
Bes Products

54'' Flex Bit Extension for 3/16'' shaft

Zoro # G715204974
Mfr # FIBEX54
product price:  $30.75
/ea
Garr Tool Extension Length Drill, High Performance, Series: 1850H, 0.82 mm Drill Size - Metric 518
Garr Tool

Extension Length Drill, High Performance, Series: 1850H, 0.82 mm Drill Size - Metric

Zoro # G816071796
Mfr # 518
product price:  $52.99
/ea
Regal Cutting Tools No. 40 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 036703AA
Regal Cutting Tools

No. 40 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G215880029
Mfr # 036703AA
product price:  $6.35
/ea
Sold in mult. of 2 for $12.70
Regal Cutting Tools No. 21 6 Aircraft Extension Drill 135 Split Point - Treated 030534AA
Regal Cutting Tools

No. 21 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G915880046
Mfr # 030534AA
product price:  $5.89
/ea
Sold in mult. of 2 for $11.78
Regal Cutting Tools No. 50 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 022550AW
Regal Cutting Tools

No. 50 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G315880165
Mfr # 022550AW
product price:  $8.69
/ea
Sold in mult. of 2 for $17.38
Regal Cutting Tools No. 24 6 Aircraft Extension Drill 135 Split Point - Treated 030531AA
Regal Cutting Tools

No. 24 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G715880130
Mfr # 030531AA
product price:  $5.89
/ea
Sold in mult. of 2 for $11.78
Regal Cutting Tools No. 51 6 Aircraft Extension Drill 135 Split Point - Treated 017751AW
Regal Cutting Tools

No. 51 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G515883539
Mfr # 017751AW
product price:  $5.65
/ea
Sold in mult. of 2 for $11.30
Disston MM7Drill Bit Extension 158839
Disston

MM7Drill Bit Extension

Zoro # G207973173
Mfr # 158839
product price:  $7.75
/ea
Sold in mult. of 2 for $15.50
Regal Cutting Tools No. 26 6 Aircraft Extension Drill 135 Split Point - Treated 030529AA
Regal Cutting Tools

No. 26 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G415880058
Mfr # 030529AA
product price:  $5.89
/ea
Sold in mult. of 2 for $11.78
Regal Cutting Tools No. 48 6 Aircraft Extension Drill 135 Split Point - Treated 030507AA
Regal Cutting Tools

No. 48 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G515883768
Mfr # 030507AA
product price:  $13.19
/ea
Regal Cutting Tools No. 49 6 Aircraft Extension Drill 135 Split Point - Treated 030506AA
Regal Cutting Tools

No. 49 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G615883767
Mfr # 030506AA
product price:  $12.55
/ea
Regal Cutting Tools No. 37 12 Aircraft Extension Drill 135 Split Point - Treated 031280AA
Regal Cutting Tools

No. 37 12 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G915880282
Mfr # 031280AA
product price:  $15.45
/ea
Regal Cutting Tools D 6 Aircraft Extension Drill 135 Split Point - Treated 030627AA
Regal Cutting Tools

D 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G515880347
Mfr # 030627AA
product price:  $11.49
/ea
Regal Cutting Tools No. 12 12 Aircraft Extension Drill 135 Split Point - Treated 031305AA
Regal Cutting Tools

No. 12 12 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G215880555
Mfr # 031305AA
product price:  $22.49
/ea
Regal Cutting Tools D 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 036764AA
Regal Cutting Tools

D 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G115880556
Mfr # 036764AA
product price:  $15.15
/ea
Garr Tool Extension Length Drill, High Performance, 1.65 mm Drill Size - Metric 608
Garr Tool

Extension Length Drill, High Performance, 1.65 mm Drill Size - Metric

Zoro # G716072954
Mfr # 608
product price:  $53.95
/ea
Garr Tool Extension Length Drill, High Performance, Series: 1850H, 2.5 mm Drill - Metric 670
Garr Tool

Extension Length Drill, High Performance, Series: 1850H, 2.5 mm Drill - Metric

Zoro # G316073337
Mfr # 670
product price:  $52.35
/ea
Regal Cutting Tools No. 30 6 Aircraft Extension Drill 135 Split Point - Treated 030525AA
Regal Cutting Tools

No. 30 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G415880089
Mfr # 030525AA
product price:  $4.79
/ea
Sold in mult. of 2 for $9.58
Regal Cutting Tools No. 17 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 036726AA
Regal Cutting Tools

No. 17 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G715880253
Mfr # 036726AA
product price:  $9.35
/ea
Garr Tool Extension Length Drill, High Performance, Series: 1850H, 0.8 mm Drill - Metric 512
Garr Tool

Extension Length Drill, High Performance, Series: 1850H, 0.8 mm Drill - Metric

Zoro # G016071992
Mfr # 512
product price:  $52.99
/ea
Regal Cutting Tools No. 1 6 Aircraft Extension Drill 135 Split Point - Treated 030554AA
Regal Cutting Tools

No. 1 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G515880477
Mfr # 030554AA
product price:  $8.59
/ea
Sold in mult. of 2 for $17.18
Regal Cutting Tools No. 38 6 Aircraft Extension Drill 135 Split Point - Treated 030517AA
Regal Cutting Tools

No. 38 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G115879949
Mfr # 030517AA
product price:  $4.79
/ea
Sold in mult. of 2 for $9.58
Regal Cutting Tools No. 5 6 Aircraft Extension Drill 135 Split Point - Treated 030550AA
Regal Cutting Tools

No. 5 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G815880351
Mfr # 030550AA
product price:  $7.75
/ea
Sold in mult. of 2 for $15.50
Regal Cutting Tools No. 27 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze 036716AA
Regal Cutting Tools

No. 27 6 Cobalt Aircraft Extension Drill 135 Split Point - Bronze

Zoro # G315880462
Mfr # 036716AA
product price:  $8.39
/ea
Sold in mult. of 2 for $16.78
Regal Cutting Tools E 6 Aircraft Extension Drill 135 Split Point - Treated 030628AA
Regal Cutting Tools

E 6 Aircraft Extension Drill 135 Split Point - Treated

Zoro # G215880357
Mfr # 030628AA
product price:  $8.95
/ea
Sold in mult. of 2 for $17.90
Disston MM7Drill Bit Extension 158839
Disston

MM7Drill Bit Extension

Zoro # G307973189
Mfr # 158839
product price:  $7.35
/ea
Sold in mult. of 6 for $44.10
Drill Extensions (312 items) - Page 4
  • First
  • Previous
  • 4
    of 9 pages
  • Next
  • Last

About Drill Extensions

Extend the total reach of your existing drill bits and drill deeper holes effectively with premium steel drill bit extensions from the best brands in the industry at Zoro. When drilling hard-to-reach areas or drilling in materials that are deeper than usual, drill extensions can offer the extra drill bit length you need to get the job done. A drill bit extension is commonly used on metalworking applications in professional settings, as well as for home improvement projects that require drilling stubs for wall hanging applications.

A Variety of Drill Bit Add-Ons

Zoro carries a variety of flexible drill bits that offer a bending motion, which is particularly useful when drilling in difficult or awkward locations. We also carry a steel-constructed drill extension collection for durability and longevity, which includes a variety of different drill lengths and body diameters. Discover a range of drill bit extenders in various sizes for your convenience, including steel drill extensions, flexible options, threaded products, and more.

Even if you don't need a drill bit extension now, having one on hand at the jobsite is often a smart decision. These handy add-ons can be highly useful in a variety of drilling situations and make sense as an additional product to have in your arsenal for contractors, handymen, builders, and anyone else who uses drill bits on the job. While you're here, don't forget to also check out our wide assortment of drill bit and tap sets, along with many other useful drill accessories that make it easier to perform a variety of drilling tasks.

Everything You Need to Get Started

Whether you're a professional, shopping for your team, or working on your own home projects, these high-quality drill bit extensions make it easy to hit the ground running. Plus, when you order from Zoro, we always make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms available for qualifying customers, and an unparalleled customer experience. If needed, you can always contact our friendly associates, who are always ready to answer any questions and help you find the perfect product for your needs.

Related Categories

Morse Taper Drill SleevesHole SawsDrill Bit SetsHammer Drill BitsStep Drill Bits
Jobber Length Drill BitsHole Saw KitsPilot Point Drill BitsHole Saw ArborsAuger Drill Bits
6" drill bit extension18 in extension6.8mm drill bit1-1/4 core drill bit7" core bit
18 volt milwaukee drill3 inch self feed bit1/4" drill bit extension3-1/2” core bit12.5 mm drill bit

Sign Up & Save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow Us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every Part Plays a Part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

Zoro, Inc

Connect

Customer Service From Real People

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc