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MICRO 100 Round Blank: 1/4 in Size-Dia - Fractional-Inch Carbide Drill Bit Blanks
MICROFractional-Inch Carbide Drill Bit Blanks

MICRO 100 Round Blank: 1/4 in Size-Dia

The MICRO 100 SR-250-4 is a fractional-inch carbide drill bit blank with a 0.2500 in diameter and a 4 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in. This round blank is designed for use as…

SKU 3G-OTH-196338

Brand
MICRO
Item
100 Round Blank: 1/4 in Size-Dia
Category
Fractional-Inch Carbide Drill Bit Blanks
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Technical Specifications

MICRO
Manufacturer Part Number
SR-250-4
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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 SR-250-4 is a fractional-inch carbide drill bit blank with a 0.2500 in diameter and a 4 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in. This round blank is designed for use as a raw material for creating custom drill bits.

Frequently Asked Questions

What is the MICRO 100 SR-250-4 round blank used for?

The MICRO 100 SR-250-4 is a fractional-inch carbide drill bit blank used as raw material for creating custom drill bits. It is commonly employed in precision machining and toolmaking applications where engineers need to grind or modify a blank to produce a specialized cutting tool.

What are the specifications of the MICRO 100 SR-250-4?

The MICRO 100 SR-250-4 has a diameter of 0.2500 in with a tolerance of -0.0001/-0.0002 in and an overall length of 4 in. It is a fractional-inch carbide drill bit blank manufactured by MICRO 100, designed for custom tool fabrication.

Where to buy the MICRO 100 SR-250-4 worldwide?

3G Electric supplies the MICRO 100 SR-250-4 round blank to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine MICRO 100 carbide blanks for your precision machining needs, regardless of your location.

How to select the right MICRO 100 drill bit blank for custom tools?

To select the right MICRO 100 drill bit blank, match the diameter and length to your desired finished tool dimensions. The SR-250-4 offers a 0.2500 in diameter with tight tolerances, making it suitable for applications requiring precise custom grinding. Always verify your machine's collet or chuck capacity.

Used in

Common applications for MICRO
Aerospace machining — MICRO 100 SCLCR toolholders for turning titanium alloys
Automotive production — MICRO 100 SR series blanks for custom drill bits in engine blocks
Plastic component fabrication — MICRO 100 SFL downcut router bits for acrylic sheet cutting
Aluminum extrusion finishing — MICRO 100 SFA upcut router bits for deburring profiles
Mold and die making — MICRO 100 SCMCN toolholders for profiling hardened steel cavities
Composite panel trimming — MICRO 100 SFPM spiral router bits for carbon fiber laminates

MICRO Products

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

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