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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-312-4 is a fractional-inch carbide drill bit blank with a 5/16 in (0.3125) diameter and 4 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in. This round blank is designed for…

SKU 3G-OTH-196291

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-312-4
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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 SR-312-4 is a fractional-inch carbide drill bit blank with a 5/16 in (0.3125) diameter and 4 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in. This round blank is designed for use in industrial machining applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MICRO 100 SR-312-4 round blank used for?

The MICRO 100 SR-312-4 is a fractional-inch carbide drill bit blank used in industrial machining to create custom drill bits, reamers, or end mills. Its 5/16 in diameter and 4 in overall length make it suitable for precision boring and milling operations in metalworking and toolmaking.

What are the specifications of the MICRO 100 SR-312-4?

The MICRO 100 SR-312-4 is a round blank with a diameter of 5/16 in (0.3125 in) and an overall length of 4 in. It has a diameter tolerance of -0.0001/-0.0002 in. The blank is made of carbide and is designed for precision machining applications.

Where to buy the MICRO 100 SR-312-4 worldwide?

3G Electric supplies the MICRO 100 SR-312-4 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; we source and deliver this carbide blank to any country.

How to select the correct MICRO 100 drill blank size?

To select the correct MICRO 100 drill blank, match the diameter and length to your machining requirements. The SR-312-4 has a 5/16 in diameter and 4 in overall length. Ensure the blank's tolerance of -0.0001/-0.0002 in meets your precision needs. Consult your tool grinder for final dimensions.

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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