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MICRO 100 Round Blank: 5/16 in Size-Dia - Fractional-Inch Carbide Drill Bit Blanks
MICROFractional-Inch Carbide Drill Bit Blanks

MICRO 100 Round Blank: 5/16 in Size-Dia

The MICRO 100 SR-312-2.5 is a fractional-inch carbide drill bit blank with a 5/16 in size-diameter and 2 1/2 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in and a diameter measurement of…

SKU 3G-OTH-196290

Brand
MICRO
Item
100 Round Blank: 5/16 in Size-Dia
Category
Fractional-Inch Carbide Drill Bit Blanks
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Technical Specifications

MICRO
Manufacturer Part Number
SR-312-2.5
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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 SR-312-2.5 is a fractional-inch carbide drill bit blank with a 5/16 in size-diameter and 2 1/2 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in and a diameter measurement of 0.3125. This product is manufactured by MICRO 100.

Frequently Asked Questions

What is the MICRO 100 SR-312-2.5 round blank used for?

The MICRO 100 SR-312-2.5 is a fractional-inch carbide drill bit blank used for creating custom drill bits, reamers, or end mills. It is commonly applied in precision machining, tool and die making, and aerospace manufacturing where tight diameter tolerances are required.

What are the specifications of the MICRO 100 SR-312-2.5?

The MICRO 100 SR-312-2.5 has a 5/16 in (0.3125 in) diameter with a tolerance of -0.0001/-0.0002 in and a 2 1/2 in overall length. It is a solid carbide round blank manufactured by MICRO 100, designed for grinding into custom cutting tools.

Where to buy the MICRO 100 SR-312-2.5 worldwide?

3G Electric supplies the MICRO 100 SR-312-2.5 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this MICRO 100 carbide blank.

How to select the right MICRO 100 round blank for my application?

Select the MICRO 100 round blank based on the finished tool diameter and length you need. The SR-312-2.5 offers a 5/16 in diameter with a precision tolerance of -0.0001/-0.0002 in. Ensure your grinding setup can accommodate the 2 1/2 in overall length and the carbide material.

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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