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OSG Countersink: 60°, 1 Flute, 1/8 in Body Dia, 1/8 in Shank - Fast-Cutting Single-Flute Countersinks
OSGFast-Cutting Single-Flute Countersinks

OSG Countersink: 60°, 1 Flute, 1/8 in Body Dia, 1/8 in Shank

SKU 3G-OTH-185548

Brand
OSG
Item
Countersink: 60°, 1 Flute, 1/8 in Body Dia, 1/8 in Shank
Category
Fast-Cutting Single-Flute Countersinks
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Technical Specifications

OSG
Manufacturer Part Number
700-1250
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG 700-1250 countersink used for?

The OSG 700-1250 is a 60° single-flute carbide countersink used to create chamfered holes for screw heads in metal, plastic, and composite materials. It is common in aerospace, automotive, and general machining applications where precise countersinking is required.

What are the specifications of the OSG 700-1250 countersink?

The OSG 700-1250 has a 60° included angle, 1 flute, 1/8 in body diameter, and 1/8 in shank diameter. It is made of carbide for wear resistance and is designed for fast cutting. The manufacturer part number is 700-1250.

Where to buy the OSG 700-1250 countersink worldwide?

You can source the OSG 700-1250 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct OSG countersink for your application?

Select an OSG countersink based on the required chamfer angle (e.g., 60° for standard screw heads), material hardness (carbide for steel), and shank size to match your tool holder. For the 700-1250, ensure your drill or mill accepts a 1/8 in shank.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG fast-cutting single-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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