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Brownells

High Speed Countersink - Countersink, #1 - 3/64'''' Drill Diameter, 1/8'''' Body Diameter

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

60° High

Speed steel countersink from Brownells

Countersink Size

#1 for shop and gunsmithing

3/64" Drill

Diameter

1/8" Body

Diameter

Simple, Single-purpose

Tool for countersinking work

$9.88
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SKU: 265149501

Overview

This countersink is intended for shop and gunsmithing work where a clean, controlled countersink is needed. It is a 60-degree high speed steel tool from Brownells, sized with a #1 countersink, a 3/64" drill diameter, and a 1/8" body diameter. The compact dimensions make it suited to precise work rather than heavy material removal.

Why Hunters Choose the Brownells

60° Countersink

Design suits standard countersinking applications

High Speed

Steel construction is specified in

Compact #1

3/64" drill diameter for small-diameter

1/8" Body

Diameter supports use in tight,

Simple Brownells-branded

Clearly stated specifications

Key Features

  • 60° high speed steel countersink from Brownells.
  • Countersink size #1 for shop and gunsmithing use.
  • Designed for a 3/64" drill diameter.
  • Features a 1/8" body diameter.
  • Simple, single-purpose tool for countersinking work.

Best Used For

  • Users needing a 60-degree countersink for small-diameter drill work
  • Shop users handling precise countersink preparation on compact projects
  • Those seeking a Brownells countersink for general bench or gunsmithing tasks
  • Builders working with 3/64-inch drill diameter and 1/8-inch body diameter setups

Specifications

Angle60Adeg
Body Diameter1/8''''
Drill Diameter3/64''''
MaterialHigh speed steel
Number#1
Tool TypeCountersink

Pros

  • 60° countersink design suits standard countersinking applications.
  • High speed steel construction is specified in the product data.
  • Compact #1 size with 3/64" drill diameter for small-diameter work.
  • 1/8" body diameter supports use in tight, precise setups.
  • Simple Brownells-branded tool with clearly stated specifications.

Considerations & Trade-offs

  • Designed for a specific 60° countersink application, so it may not suit projects that call for a different angle or profile.
  • The #1 size with a 3/64" drill diameter and 1/8" body diameter is a narrow fit for small-diameter work, limiting versatility on larger holes.
  • High speed steel is a practical shop material, but the listing does not provide any further performance details for demanding or repeated use.
  • The product information is minimal, so compatibility should be confirmed against your exact drilling and countersink requirements before purchase.

Suggested Comparisons

  • Countersinks
  • Drill bits
  • Deburring tools
  • Hand tool accessories

Suggested Accessories

  • Countersink bit set
  • Drill bit set
  • Tool storage case
  • Cutting fluid

Frequently Asked Questions

What is this countersink made from?

The product data lists it as a 60° high speed steel countersink.

What angle is the countersink?

It is specified as a 60° countersink.

What drill diameter does this #1 countersink use?

The title lists a 3/64" drill diameter.

What is the body diameter?

The title lists a 1/8" body diameter.

Who makes this countersink?

The manufacturer listed in the product data is Brownells.