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Power Tools for Professionals

6 pc. 4-1/8 In. I Letter Black Oxide Drill Bits

BL4209

The Bosch line of metal drill bits offers a solution for every professional application. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch. Bosch black oxide bits offer superior durability, speed and selection to support most general-purpose applications.

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Benefits

Technical Data

Specifications
*Note All 135° points; all round shank
Bulk false
Diameter inch I
Flute Length in 3.125
Length in 4.125"
Overall Length in 4.125
Pack Quantity 12
Shank Diameter in 0.272
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BL4209

Other sizes

Diameter inch

X

Overall Length in

5.125

Pack Quantity

12

Shank Diameter in

0.397

*Note

All 135° points; all round shank

Diameter inch

Y

Overall Length in

5.25

Pack Quantity

12

Shank Diameter in

0.404

*Note

All 135° points; all round shank

Diameter inch

Z

Overall Length in

5.25

Pack Quantity

12

Shank Diameter in

0.412999

*Note

All 135° points; all round shank

Diameter inch

H

Overall Length in

4.125

Pack Quantity

12

Shank Diameter in

0.266

*Note

All 135° points; all round shank

Diameter inch

K

Overall Length in

4.25

Pack Quantity

12

Shank Diameter in

0.281

*Note

All 135° points; all round shank

Diameter inch

N

Overall Length in

4.375

Pack Quantity

12

Shank Diameter in

0.301999

*Note

All 135° points; all round shank

Diameter inch

Q

Overall Length in

4.75

Pack Quantity

12

Shank Diameter in

0.332

*Note

All 135° points; all round shank

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1-877-BOSCH99 (1-877-267-2499)

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