Bosch E-Repair Network
Bosch E-Repair Network
Contact Us
Contact Us
FAQ
FAQ
Manuals and Part Diagrams
Manuals and Part Diagrams
Product Safety
Product Safety
Product Registration
Product Registration
Product Warranty
Product Warranty
PROFACTORGuarantee
PROFACTORGuarantee
Repair Status
Repair Status
Replacement Parts
Replacement Parts
Service and Support Programs
Service and Support Programs
Service Center Locator
Service Center Locator
Where to buy
Where to buy
Trades
Trades Drywall Solutions General Contracting Carpentry Concrete Masonry & Restoration Demolition Electrician Framer Plumber Property Manager
Solutions
Solutions Bosch Toolbox App Connected MeasureOn
Metal Drill Bits
3/16 In. Impact Tough™ Black Oxide Drill Bit_BL2139IM_Hero
3/16 In. Impact Tough™ Black Oxide Drill Bit_BL2139IM_Hero
Impact Tough™ Black Oxide Drill Bit_Cabinet
Impact Tough™ Black Oxide Drill Bit_Angle Iron
Impact Tough™ Black Oxide Drill Bit_Rivet
3/16 In. Impact Tough™ Black Oxide Drill Bit_BL2139IM_Hero
3/16 In. Impact Tough™ Black Oxide Drill Bit_BL2139IM_Hero
Impact Tough™ Black Oxide Drill Bit_Cabinet
Impact Tough™ Black Oxide Drill Bit_Angle Iron
Impact Tough™ Black Oxide Drill Bit_Rivet

Impact Tough™ Black Oxide Drill Bits

For rotary drills/drivers, For impact drill/drivers

Highly Robust

  • Impact Tough™ Black Oxide Drill Bit offers highly robust drilling in metal, especially with impact drivers
  • No skate tip – accurate starts
  • Long flutes for effective material removal
  • Universal drilling applications – general-purpose drilling
  • Impact-rated shank for higher torque drill/drivers
View more View less

Materials

Steel
Cast iron

Select options

Diameter (D) Inch

Working length (L1) Inch

Total length (L2) Inch

Choose a pack size

Select options

Diameter (D) Inch 16 options

Working length (L1) Inch 14 options

Total length (L2) Inch 16 options

Choose a pack size 3 options

Available product options (32)
Impact Tough™ Black Oxide Drill Bits
from 
For rotary drills/drivers, For impact drill/drivers

Fits tools of most brands

imageAlt
imageAlt
imageAlt

Hex shank for maximum power transfer in standard three-jaw drills and hexagonal drill driver chucks.

HIGHLY ROBUST WITH IMPACT DRIVERS

The Impact Tough™ Black Oxide Drill Bit offers highly robust drilling in metal, especially with impact drivers. Extremely strong body is extremely robust. The twist drill bit is precision-ground from solid metal and has an oxide-coated flute, giving it an excellent surface quality for slicing through materials with reduced wear. It is suitable for use on alloyed and non-alloyed steel, cast steel, cast iron, sintered iron, non-ferrous metals, sheet metals and plastics.

View more

Product Options

Available product options: 32

Part number Diameter (D) Inch Working length (L1) Inch Total length (L2) Inch Pack quantity
BL2131IM 1/16 1/2 1 7/8 1
BL2132IM 5/64 1/2 2 1
BL2133IM 3/32 1 2 1/4 1
BL2134IM 7/64 1 2 5/8 1
BL2135IM 1/8 1 1/2 2 3/4 1
BL2136IM 9/64 1 1/2 2 7/8 1
BL2137IM 5/32 2 3 1/8 1
BL2138IM 11/64 1 3/4 3 1/4 1
BL2139IM 3/16 2 3 1/2 1
BL2140IM 13/64 2 3 5/8 1
BL2141IM 7/32 2 3 3/4 1
BL2143IM 1/4 2 1/2 4 1
BL2147IM 5/16 3 4 1/2 1
BL2151IM 3/8 3 1/2 5 1
BL2155IM 7/16 4 5 1/2 1
BL2159IM 1/2 5 6 1
BL4131IM 1/16 1/2 1 7/8 12
BL4132IM 5/64 1 2 12
BL4133IM 3/32 1 2 1/4 12
BL4134IM 7/64 1 1/2 2 5/8 12
BL4135IM 1/8 1 1/2 2 3/4 12
BL4136IM 9/64 1 7/8 2 7/8 12
BL4137IM 5/32 2 1/8 3 1/8 12
BL4138IM 11/64 2 3 1/4 12
BL4139IM 3/16 2 1/2 3 1/2 12
BL4140IM 13/64 2 3 5/8 12
BL4141IM 7/32 2 3/4 3 3/4 12
BL4143IM 1/4 3 4 12
BL4147IM 5/16 3 4 1/2 6
BL4151IM 3/8 5 6 6
BL4155IM 7/16 4 1/2 5 1/2 6
BL4159IM 1/2 4 1/2 6 6

out of products

Find Bosch Professional dealers near you
Join our email list

Subscribe now for new product updates and more.

Subscribe