21/64" HSS M1 Split Point Drill Bit - 135° Black & Gold Finish, 3-Flat Shank, Contractor Grade

SKU:
KFD3F21/64
Ships Today! (Order By 3pm EST M-F)
KFD3F21/64
Ships Today! (Order By 3pm EST M-F)
List Price: $4.09
Price: $2.33
(You Save $1.76)

21/64" HSS M1 Split Point Drill Bit - 135° Black & Gold Finish, 3-Flat Shank, Contractor Grade

List Price: $4.09
Price: $2.33
(You Save $1.76)
SKU:
KFD3F21/64
Brand
Drill America
UPC:
887861037471
MPN:
KFD3F21/64
Availability:
Ships Today! (Order By 3pm EST M-F)
  • 21/64 HSS M1 Split Point Drill Bit - 135° Black & Gold Finish, 3-Flat Shank, Contractor Grade
  • M1 HSS drill bit with black and gold finish
  • 135 degree split point tip to prevent walking
  • 3-flat shank for extra secure hold in your chuck
  • For drilling steel, aluminum, brass, plastic, wood and more
  • 135 degree split point tip
  • 21/64" HSS M1 Split Point Drill Bit - 135° Black & Gold Finish, 3-Flat Shank, Contractor Grade
  • 21/64" HSS M1 Split Point Drill Bit - 135° Black & Gold Finish, 3-Flat Shank, Contractor Grade
  • 21/64" HSS M1 Split Point Drill Bit - 135° Black & Gold Finish, 3-Flat Shank, Contractor Grade
  • 21/64" HSS M1 Split Point Drill Bit - 135° Black & Gold Finish, 3-Flat Shank, Contractor Grade

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Description

This M1 HSS black and gold contractor grade split point drill bit is designed for general-purpose metal drilling in iron, steel, aluminum, and other machinable materials. The 135° split point tip self-centers on contact and reduces walking compared to conventional 118° points. Featuring a 3-flat shank for secure chuck grip and a black and gold surface treatment for improved durability, this contractor-grade drill bit delivers reliable performance across a wide range of applications.

  • Manufactured from M1 high-speed steel for general-purpose metal drilling
  • 135° split point tip self-centers and reduces walking compared to 118° tips
  • Black and gold surface treatment enhances durability and wear resistance
  • 3-flat shank provides extra secure holding power in the chuck
  • Suitable for drilling steel, iron, aluminum, and other machinable metals
  • Jobber length drill bit
  • Ideal for contractor, maintenance, and fabrication applications

What It Is

Manufactured from M1 high-speed steel for general-purpose metal drilling 135° split point tip self-centers and reduces walking compared to 118° tips Black and gold surface treatment enhances durability and wear resistance 3-flat shank provides extra secure holding power in the chuck Suitable for drilling steel, iron, aluminum, and other machinable metals Ideal for contractor, maintenance, and fabrication applications

Split Point Advantage

The 135° split point tip helps reduce walking and allows the drill to start more accurately without excessive thrust. Compared to conventional 118° drill points, the split point design improves centering and control during drilling.

Black & Gold Surface Treatment

The black and gold finish provides added surface protection and improved wear resistance during repeated use in metalworking environments.

3-Flat Shank Design

The 3-flat shank creates a secure grip inside the chuck, reducing slippage under load and improving torque transfer during drilling.

Applications

Commonly used for:

  • General steel and metal drilling
  • Maintenance and repair work
  • Contractor and jobsite applications
  • Fabrication and shop use

Frequently Asked Questions

What is M1 high-speed steel?

M1 is a general-purpose high-speed steel commonly used in contractor-grade drill bits. It provides durability and wear resistance for everyday metal drilling.

What is a split point drill bit?

A split point drill bit features a 135° tip geometry designed to start drilling on contact. It reduces walking and improves centering accuracy compared to standard 118° point drill bits.

What materials can this drill bit drill?

This drill bit is suitable for steel, iron, aluminum, and other machinable metals.

What is jobber length?

Jobber length refers to the industry-standard drill bit length. It offers a balanced combination of flute length and rigidity, making it suitable for most drilling applications.

Can this drill bit be used in a hand drill?

Yes. This drill bit is compatible with drill presses, handheld drills, and CNC machines using standard chucks.

What does a 3-flat shank do?

A 3-flat shank improves grip inside the chuck and reduces the chance of slipping during drilling.

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Product Specs

Size:
21/64
Material:
High Speed Steel
Finish:
Black and Gold
Flute Length:
3-5/16
Overall Length:
4-5/8
Shank Type:
3-Flat
Style:
Jobber
Cutting Angle:
135
Point Type:
Split Point
Number of Flutes:
2
Cutting Direction:
Right Hand
Decimal Equivalent:
0.3281
Metric Equivalent:
8.33374mm
Suggested Pack Quantity:
6
Alternate Pack QTY SKU:
KFD3F21/64P6
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