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MICRO 100 Round Blank: 3/16 in Size-Dia - Fractional-Inch Carbide Drill Bit Blanks
MICROFractional-Inch Carbide Drill Bit Blanks

MICRO 100 Round Blank: 3/16 in Size-Dia

The MICRO 100 Round Blank is a fractional-inch carbide drill bit blank, model SR-187-1.5, with a 3/16 in size-diameter and 1 1/2 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in, as specified…

SKU 3G-OTH-196279

Brand
MICRO
Item
100 Round Blank: 3/16 in Size-Dia
Category
Fractional-Inch Carbide Drill Bit Blanks
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Technical Specifications

MICRO
Manufacturer Part Number
SR-187-1.5
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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 Round Blank is a fractional-inch carbide drill bit blank, model SR-187-1.5, with a 3/16 in size-diameter and 1 1/2 in overall length. It features a diameter tolerance of -0.0001/-0.0002 in, as specified by the OEM brand MICRO 100.

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 a MICRO 100 round blank used for?

A MICRO 100 round blank is a carbide drill bit blank used to create custom drill bits, reamers, or end mills. It is commonly applied in precision machining, toolmaking, and maintenance shops where exact hole diameters are required. The 3/16 in diameter blank can be ground to final geometry.

What are the specifications of the MICRO 100 SR-187-1.5 round blank?

The MICRO 100 SR-187-1.5 is a fractional-inch carbide drill bit blank with a 3/16 in diameter and 1 1/2 in overall length. It has a diameter tolerance of -0.0001/-0.0002 in, as specified by OEM brand MICRO 100. The blank is made from solid carbide for wear resistance.

Where to buy MICRO 100 round blanks worldwide?

3G Electric supplies MICRO 100 round blanks worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the SR-187-1.5 or other MICRO 100 tool blanks. We provide genuine OEM parts.

How to select the right carbide drill blank for a custom tool?

Select a carbide blank like the MICRO 100 SR-187-1.5 by matching its diameter to your finished tool size, accounting for grinding stock. The 3/16 in blank with tight -0.0001/-0.0002 in tolerance allows precise final grinding. Ensure overall length (1 1/2 in) suits your toolholder and reach requirements.

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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