Unlock Free shipping on qualifying orders over $99. Just 
Unlock Free shipping on qualifying orders over $99.
 Just 
HomElectrical.com Wholesale Electrical, HVAC & Lighting Supplies for Pros

Bosch 1/4-in x 3/4-in Pilot Panel Straight Bit, High Speed Steel, 1-Flute

Bosch 85146
SKU BPT-85146
Bosch's 1/4-in x 3/4-in pilot panel straight bit can be easily sharpened to a very fine edge for smooth, precise cuts. This bit has a drill-through point that plunges through the material, and is used for window/door cutouts. Discover HomElectrical now!
Bosch 1/4-in x 3/4-in Pilot Panel Straight Bit, High Speed Steel, 1-Flute

Image may not depict product actual color, inclusions or accessories

Bosch's 1/4-in x 3/4-in pilot panel straight bit can be easily sharpened to a very fine edge for smooth, precise cuts. This bit has a drill-through point that plunges through the material, and is used for window/door cutouts. Discover HomElectrical now!
  • Cut Diameter: 1/4-in.
  • Shank Diameter: 1/4-in.
  • Flute Length: .75-in.
  • Single flute allows for faster feed rates.
  • For window and door cutouts in abrasive insulation materials, plywood, and paneling.
  • Drill-through pilot for guiding on templet or framing after panel has been mounted.
  • Fully hardened steel shank.
  • Includes:
    • 1/4-in x 3/4-in High Speed Steel 1-Flute Pilot Panel Straight Bit.

Bosch 85146 Description

  • Cut Diameter: 1/4-in.
  • Shank Diameter: 1/4-in.
  • Flute Length: .75-in.
  • Single flute allows for faster feed rates.
  • For window and door cutouts in abrasive insulation materials, plywood, and paneling.
  • Drill-through pilot for guiding on templet or framing after panel has been mounted.
  • Fully hardened steel shank.
  • Includes:
    • 1/4-in x 3/4-in High Speed Steel 1-Flute Pilot Panel Straight Bit.
Unlock FREE Shipping at $99 by just signing in!
Ships free on orders over $500 of eligible items to all guests.
Free Shipping Eligible
$12.86Each

Ships between 05/07/2026 - 05/21/2026

Product Specifications

Part Number85146
MaterialSteel
Product Dimensions2.63-in X 0.25-in X 0.25-in
Weight0.05-lb
UPC000346048797

Manufacturer Description

PILOT PANEL BIT 1/4-in, 1 FLT.,H.S.S.
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Bosch's 1/4-in x 3/4-in pilot panel straight bit can be easily sharpened to a very fine edge for smooth, precise cuts. This bit has a drill-through point that plunges through the material, and is used for window/door cutouts. Discover HomElectrical now!
Bosch 1/4-in x 3/4-in Pilot Panel Straight Bit, High Speed Steel, 1-Flute
Unlock FREE Shipping at $99 by just signing in!
Ships free on orders over $500 of eligible items to all guests.
Free Shipping Eligible
$12.86Each

Ships between 05/07/2026 - 05/21/2026

Bosch 85146 Description

  • Cut Diameter: 1/4-in.
  • Shank Diameter: 1/4-in.
  • Flute Length: .75-in.
  • Single flute allows for faster feed rates.
  • For window and door cutouts in abrasive insulation materials, plywood, and paneling.
  • Drill-through pilot for guiding on templet or framing after panel has been mounted.
  • Fully hardened steel shank.
  • Includes:
    • 1/4-in x 3/4-in High Speed Steel 1-Flute Pilot Panel Straight Bit.

Product Specifications

Part Number85146
MaterialSteel
Product Dimensions2.63-in X 0.25-in X 0.25-in
Weight0.05-lb
UPC000346048797

Manufacturer Description

PILOT PANEL BIT 1/4-in, 1 FLT.,H.S.S.
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

Product Questions & Answers

Customer Reviews

Your voice matters. Be the first to leave a review and help other pros shop smarter