Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 12 in Overall Lg - Fractional-Inch High-Speed Steel Drill Bit Blanks
VERMONT GAGEFractional-Inch High-Speed Steel Drill Bit Blanks

VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 12 in Overall Lg

The VERMONT GAGE Long Drill Blank is a fractional-inch high-speed steel drill bit blank with a 0.2500 in diameter and a +0.0000/-0.0005 in tolerance. It features a bright (uncoated) finish and an overall length of 12…

SKU 3G-OTH-201311

Brand
VERMONT GAGE
Item
Long Drill Blank: 1/4 in Size-Dia, 12 in Overall Lg
Category
Fractional-Inch High-Speed Steel Drill Bit Blanks
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

VERMONT GAGE
Manufacturer Part Number
521250020
Type
Bright (Uncoated) Finish
Overall Lg
12 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

VERMONT GAGE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The VERMONT GAGE Long Drill Blank is a fractional-inch high-speed steel drill bit blank with a 0.2500 in diameter and a +0.0000/-0.0005 in tolerance. It features a bright (uncoated) finish and an overall length of 12 in. This product is manufactured by VERMONT GAGE under part number 521250020.

Frequently Asked Questions

What is a VERMONT GAGE Long Drill Blank used for?

A VERMONT GAGE Long Drill Blank is used as a starting point for custom drill bits or reamers. Machinists and toolmakers grind the blank to their required geometry for precision drilling applications in metalworking, mold making, and industrial manufacturing.

What are the specifications of the VERMONT GAGE Long Drill Blank 521250020?

The VERMONT GAGE Long Drill Blank (MPN 521250020) has a 0.2500 in diameter with a +0.0000/-0.0005 in tolerance, a 12 in overall length, and a bright (uncoated) finish. It is made from high-speed steel and is a fractional-inch drill bit blank.

Where to buy VERMONT GAGE Long Drill Blanks worldwide?

You can source VERMONT GAGE Long Drill Blanks worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right VERMONT GAGE drill blank size?

To select the right VERMONT GAGE drill blank, match the diameter and tolerance to your final tool requirements. The 0.2500 in blank with +0.0000/-0.0005 in tolerance suits precision reaming or drill grinding. Ensure overall length (12 in) accommodates your machine's chuck depth and workpiece clearance.

Used in

Common applications for VERMONT GAGE
Automotive manufacturing — VERMONT GAGE Class X pin gauges for inspecting engine cylinder bore diameters after honing.
Aerospace machining — VERMONT GAGE No-Go pin gauges for verifying hole tolerances in aircraft structural components.
Tool and die maintenance — VERMONT GAGE drill blanks used as reference pins for aligning dies and fixtures.
Quality control labs — VERMONT GAGE Class X pin gauges for calibrating bore gauges and micrometers.
General metalworking — VERMONT GAGE Go pin gauges for checking slot widths in machined parts.
Custom gage making — VERMONT GAGE high-speed steel drill blanks as raw material for fabricating custom inspection plugs.

VERMONT GAGE Products

3G Electric supplies VERMONT GAGE fractional-inch high-speed steel drill bit blanks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 6 in Overall Lg, Bright (Uncoated) Finish (MPN 521250010). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2500; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 6 in Overall Lg, Bright (Uncoated) Finish (MPN 521250010). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2500; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521250030). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2500; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521250030). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2500; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 36 in Overall Lg, Bright (Uncoated) Finish (MPN 521250040). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2500; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 1/4 in Size-Dia, 36 in Overall Lg, Bright (Uncoated) Finish (MPN 521250040). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2500; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 15/64 in Size-Dia, 36 in Overall Lg, Bright (Uncoated) Finish (MPN 521234440). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2344; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 15/64 in Size-Dia, 36 in Overall Lg, Bright (Uncoated) Finish (MPN 521234440). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2344; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 5/16 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521312520). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3125; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 5/16 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521312520). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3125; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 15/64 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521234420). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2344; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 15/64 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521234420). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2344; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).

More from VERMONT GAGE

View all VERMONT GAGE parts →
VERMONT GAGE Long Drill Blank: 3/8 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521375020). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3750; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 3/8 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521375020). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3750; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 17/64 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521265630). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2656; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 17/64 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521265630). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2656; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE Jobber Drill Blank: 13/64 in Size-Dia, 3 5/8 in Overall Lg, Bright (Uncoated) Finish (MPN 501120310). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2031; attr255946: +0.0000/-0.0002 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Jobber Drill Blank: 13/64 in Size-Dia, 3 5/8 in Overall Lg, Bright (Uncoated) Finish (MPN 501120310). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2031; attr255946: +0.0000/-0.0002 in; attr255948: Bright (Uncoated).
VERMONT GAGE Jobber Drill Blank: 43/64 in Size-Dia, 6 in Overall Lg, Bright (Uncoated) Finish (MPN 501167190). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.6719; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Jobber Drill Blank: 43/64 in Size-Dia, 6 in Overall Lg, Bright (Uncoated) Finish (MPN 501167190). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.6719; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 25/64 in Size-Dia, 6 in Overall Lg, Bright (Uncoated) Finish (MPN 521390610). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3906; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 25/64 in Size-Dia, 6 in Overall Lg, Bright (Uncoated) Finish (MPN 521390610). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3906; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 9/32 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521281230). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2812; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 9/32 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521281230). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.2812; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 11/32 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521343820). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3438; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 11/32 in Size-Dia, 12 in Overall Lg, Bright (Uncoated) Finish (MPN 521343820). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3438; attr255946: +0.0000/-0.0005 in; attr255948: Bright (Uncoated).
VERMONT GAGE Long Drill Blank: 23/64 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521359430). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3594; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).
VERMONT GAGE
VERMONT GAGE Long Drill Blank: 23/64 in Size-Dia, 24 in Overall Lg, Bright (Uncoated) Finish (MPN 521359430). Key specifications — attr277171: VERMONT GAGE; attr255945: 0.3594; attr255946: +0.0010 in/-0.0010 in; attr255948: Bright (Uncoated).