11/32" X 3/32" Aircraft Counterbore | HSS | 1/4" Round Shank | 4 Flute | DEWA/CCBR11/32
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11/32" X 3/32" Aircraft Counterbore | HSS | 1/4" Round Shank | 4 Flute | DEWA/CCBR11/32

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5/16" X 3/32" Aircraft Counterbore | HSS | 1/4" Round Shank | 4 Flute | DEWA/CCBR5/16

Drill AmericaSKU: DEWA/CCBR5/16
Price:
$25.85per 1( $25.85 each)
Pieces 1
Measurement type Inch
Diameter 5/16"
Length 2-3/8"
Material High Speed Steel
Finish Uncoated (Bright)
Number of flutes 4
Pilot diameter 3/32"
Shank Round
Shank size 1/4"
Weight 2.98 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Industrial-grade counterbore tooling for aerospace and industrial machinery applications.

The 5/16 inch counterbore diameter, 3/32 inch depth, 1/4 inch round shank, 4 flute configuration, and HSS construction deliver precise hole preparation for metal assemblies.

Specs

  • Dimensions: Counterbore diameter 5/16 inch; Counterbore depth 3/32 inch; Shank diameter 1/4 inch; Shank type: Round
  • Material grade: HSS (High-Speed Steel)

Features

  • Flutes: 4 — Enhances chip evacuation and cutting stability in metal hole preparation.
  • Shank: Round 1/4 inch — Compatible with standard collets and holders used in milling and drilling equipment.
  • Counterbore geometry: 5/16 inch diameter; 3/32 inch depth — Creates a cylindrical recess for bolt head seating in through holes.
  • Material properties: HSS — Exhibits high wear resistance and elevated temperature tolerance for repeated cutting cycles.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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