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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-312-12 is a fractional-inch carbide drill bit blank with a 5/16 in (0.3125) diameter and 12 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in. This round blank is designed for…

SKU 3G-OTH-196293

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-312-12
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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 SR-312-12 is a fractional-inch carbide drill bit blank with a 5/16 in (0.3125) diameter and 12 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in. This round blank is designed for use in custom tool grinding applications.

Frequently Asked Questions

What is the MICRO 100 SR-312-12 round blank used for?

The MICRO 100 SR-312-12 is a fractional-inch carbide drill bit blank used for custom tool grinding applications. It allows machinists and toolmakers to create specialized drills, reamers, or end mills by grinding the blank to desired geometries. This MICRO 100 blank is suitable for precision metalworking and industrial manufacturing.

What are the specifications of the MICRO 100 SR-312-12?

The MICRO 100 SR-312-12 is a round carbide blank with a diameter of 5/16 in (0.3125 in) and an overall length of 12 in. Its diameter tolerance is -0.0001/-0.0002 in. The manufacturer part number is SR-312-12, and it is made by MICRO 100. It is designed for custom tool grinding.

Where to buy the MICRO 100 SR-312-12 worldwide?

You can source the MICRO 100 SR-312-12 worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and pricing on this MICRO 100 carbide blank.

How to select the right MICRO 100 round blank for custom tool grinding?

To select the right MICRO 100 round blank, match the diameter and length to your desired finished tool dimensions. The SR-312-12 offers a 5/16 in diameter and 12 in length with tight tolerances. Consider the material being machined and required tool geometry. MICRO 100 blanks are designed for precision grinding in industrial applications.

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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