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  1. Home
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  7. Drill Bit Accessories
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  9. Drill Extensions
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Drill Extensions (311 items)

Dewalt 6" Spade Drill Bit Extension DW1588
Dewalt

6" Spade Drill Bit Extension

Zoro # G7639082
Mfr # DW1588
product price:  $5.39
/ea
Bosch Extension, 12 In DSBE1012
Bosch

Extension, 12 In

Zoro # G4937931
Mfr # DSBE1012
product price:  $7.19
/ea
Milwaukee Tool 1-1/4"-7 x 12" Core Bit Extension 48-17-6016
Milwaukee Tool

1-1/4"-7 x 12" Core Bit Extension

Zoro # G1835928
Mfr # 48-17-6016
product price:  $135.00
/ea
Bosch Extension, 6 In DSBE1006
Bosch

Extension, 6 In

Zoro # G4937922
Mfr # DSBE1006
product price:  $5.35
/ea
Milwaukee Tool 12 in. PLUS-LOK SDS-Plus Extension 48-20-6940
Milwaukee Tool

12 in. PLUS-LOK SDS-Plus Extension

Zoro # G503457063
Mfr # 48-20-6940
product price:  $109.00
/ea
Dewalt 12" Extension DW1589
Dewalt

12" Extension

Zoro # G7640236
Mfr # DW1589
product price:  $5.35
/ea
Milwaukee Tool Bit Extension 5-1/2" 48-28-4001
Milwaukee Tool

Bit Extension 5-1/2"

Zoro # G3160123
Mfr # 48-28-4001
product price:  $20.97
/ea
Milwaukee Tool 3" x 1/4" Universal QUIK-LOK Extension 48-28-1000
Milwaukee Tool

3" x 1/4" Universal QUIK-LOK Extension

Zoro # G7494155
Mfr # 48-28-1000
product price:  $8.99
/ea
Milwaukee Tool Bit Extension 12" 48-28-4006
Milwaukee Tool

Bit Extension 12"

Zoro # G0652057
Mfr # 48-28-4006
product price:  $23.97
/ea
Eagle Tool Us Drill Bit Extension, 1/4" Hex, 54" L ETX25054
Eagle Tool Us

Drill Bit Extension, 1/4" Hex, 54" L

Zoro # G0332836
Mfr # ETX25054
product price:  $38.29
/ea
Eagle Tool Us Drill Bit Extensn, 1/4in Shank Dia, 36in L ETX25036
Eagle Tool Us

Drill Bit Extensn, 1/4in Shank Dia, 36in L

Zoro # G0332818
Mfr # ETX25036
product price:  $33.29
/ea
Westward Hex Extensions, 6 in. L 29UG58
Westward

Hex Extensions, 6 in. L

Zoro # G7612726
Mfr # 29UG58
product price:  $4.85
/ea
Milwaukee Tool SDS Max Thick Wall Core Bit 18" Adapter Shank 48-03-3573
Milwaukee Tool

SDS Max Thick Wall Core Bit 18" Adapter Shank

Zoro # G7511917
Mfr # 48-03-3573
product price:  $84.97
/ea
Milwaukee Tool 18" Extension 48-28-4011
Milwaukee Tool

18" Extension

Zoro # G1704455
Mfr # 48-28-4011
product price:  $20.97
/ea
Eazypower Hex Extensions, 1/4 In, PK4 88666
Eazypower

Hex Extensions, 1/4 In, PK4

Zoro # G5071421
Mfr # 88666
product price:  $34.99
/pk 4, $8.75/ea
Greenlee Flexible Drill Extension, 3/16x18In 921-18
Greenlee

Flexible Drill Extension, 3/16x18In

Zoro # G3146105
Mfr # 921-18
product price:  $45.89
/ea
Milwaukee Tool Spline Thick Wall Core Bit 18" Adapter Shank 48-03-3565
Milwaukee Tool

Spline Thick Wall Core Bit 18" Adapter Shank

Zoro # G7600661
Mfr # 48-03-3565
product price:  $90.97
/ea
Milwaukee Tool 18 in. PLUS-LOK SDS-Plus Extension 48-20-6945
Milwaukee Tool

18 in. PLUS-LOK SDS-Plus Extension

Zoro # G503457162
Mfr # 48-20-6945
product price:  $129.00
/ea
Eagle Tool Us Flexible Extension, 54 In. L EX18754
Eagle Tool Us

Flexible Extension, 54 In. L

Zoro # G7583012
Mfr # EX18754
product price:  $27.05
/ea
Husqvarna Core Bit Extension, 1-1/4 Thread, 12 In L T-420012
Husqvarna

Core Bit Extension, 1-1/4 Thread, 12 In L

Zoro # G2319816
Mfr # T-420012
product price:  $176.35
/ea
Diablo Universal Extension, 18"x3/8" DHS375XT18
Diablo

Universal Extension, 18"x3/8"

Zoro # G503674385
Mfr # DHS375XT18
product price:  $20.89
/ea
Milwaukee Tool 7-1/2" Extension for Small SDS Plus Thin Wall Core Bits 48-95-6070
Milwaukee Tool

7-1/2" Extension for Small SDS Plus Thin Wall Core Bits

Zoro # G5117786
Mfr # 48-95-6070
product price:  $40.47
/ea
Diablo Universal Extension, 5-1/2"x3/8" DHS375XT6
Diablo

Universal Extension, 5-1/2"x3/8"

Zoro # G903674398
Mfr # DHS375XT6
product price:  $15.89
/ea
Diablo Universal Extension, 5-1/2"x7/16" DHS500XT6
Diablo

Universal Extension, 5-1/2"x7/16"

Zoro # G203674494
Mfr # DHS500XT6
product price:  $20.15
/ea
Milwaukee Tool 7-1/2" Extension for Large SDS Plus Thin Wall Core Bits 48-95-6075
Milwaukee Tool

7-1/2" Extension for Large SDS Plus Thin Wall Core Bits

Zoro # G5117052
Mfr # 48-95-6075
product price:  $53.97
/ea
Metabo Extension SDS-Max 63" 675709000
Metabo

Extension SDS-Max 63"

Zoro # G301202254
Mfr # 675709000
product price:  $113.99
/ea
Westward Hex Extensions, 12 in. L 29UG59
Westward

Hex Extensions, 12 in. L

Zoro # G7577753
Mfr # 29UG59
product price:  $5.69
/ea
Eagle Tool Us Flexible Extension, 1/4" Hex, 54" L EX25054
Eagle Tool Us

Flexible Extension, 1/4" Hex, 54" L

Zoro # G7489702
Mfr # EX25054
product price:  $22.55
/ea
Eazypower Hex Extensions, 1/4 In 88439
Eazypower

Hex Extensions, 1/4 In

Zoro # G5071403
Mfr # 88439
product price:  $9.25
/ea
Eagle Tool Us Flexible Extension, 36 In. L EX18736
Eagle Tool Us

Flexible Extension, 36 In. L

Zoro # G7462585
Mfr # EX18736
product price:  $28.75
/ea
Diablo Universal Extension, 12"x7/16" DHS500XT12
Diablo

Universal Extension, 12"x7/16"

Zoro # G803674566
Mfr # DHS500XT12
product price:  $20.89
/ea
Bosch 12In Extension 7/16In Shank EX1012
Bosch

12In Extension 7/16In Shank

Zoro # G3540875
Mfr # EX1012
product price:  $10.16
/ea
Eazypower Hex Extensions, 1/4 In 88438
Eazypower

Hex Extensions, 1/4 In

Zoro # G5071412
Mfr # 88438
product price:  $7.89
/ea
Eazypower Hex Extensions, 1/4 In 88440
Eazypower

Hex Extensions, 1/4 In

Zoro # G5071437
Mfr # 88440
product price:  $14.85
/ea
Eagle Tool Us Flexible Extension, 36 In. L EX25036
Eagle Tool Us

Flexible Extension, 36 In. L

Zoro # G7585505
Mfr # EX25036
product price:  $21.79
/ea
Diablo 14'' x 12'' Extension DXT1020
Diablo

14'' x 12'' Extension

Zoro # G107973068
Mfr # DXT1020
product price:  $12.79
/ea
Drill Extensions (311 items)
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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.

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12.5 mm drill bit1/4" drill bit extension6" drill bit extension6 in bit extension3 inch self feed bit
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