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OSG Countersink: 82°, 1 Flute, 1/8 in Body Dia, 1/8 in Shank - Fast-Cutting Single-Flute Countersinks
OSGFast-Cutting Single-Flute Countersinks

OSG Countersink: 82°, 1 Flute, 1/8 in Body Dia, 1/8 in Shank

OSG Fast-Cutting Single-Flute Countersinks.

SKU 3G-OTH-185722

Also listed as: 7001251 · 700 1251

Brand
OSG
Item
Countersink: 82°, 1 Flute, 1/8 in Body Dia, 1/8 in Shank
Category
Fast-Cutting Single-Flute Countersinks
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
700-1251

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG Fast-Cutting Single-Flute Countersinks.

Frequently Asked Questions

What is the OSG 700-1251 countersink used for?

The OSG 700-1251 is a fast-cutting single-flute countersink used to create 82° chamfered holes in metal, plastic, or composite workpieces. It is ideal for deburring and preparing holes for flat-head screws in machining, tooling, and general industrial applications.

What are the specifications of the OSG 700-1251 countersink?

The OSG 700-1251 countersink has an 82° included angle, 1 flute, a 1/8 in body diameter, and a 1/8 in shank. It is made of carbide for durability and precision. The manufacturer part number is 700-1251.

Where to buy the OSG 700-1251 countersink worldwide?

3G Electric supplies the OSG 700-1251 countersink worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this carbide single-flute countersink.

How to select the right OSG countersink for your application?

To select the right OSG countersink, match the included angle (e.g., 82° for flat-head screws) to your fastener, choose body and shank diameters that fit your tool holder, and select carbide for hard materials. OSG single-flute designs provide fast chip evacuation and clean finishes.

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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Cross-referenced by specification & description
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This OSG countersink features a single-flute design for fast cutting and an 82° included angle, matching standard flat-head screw angles. The carbide construction provides wear resistance for use in metal, plastic, and composite materials. It is suited for deburring and chamfering holes in general machining applications
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This OSG countersink features a single-flute design for fast cutting and an 82° included angle, matching standard flat-head screw angles. The carbide construction provides wear resistance for use in metal, plastic, and composite materials. It is suited for deburring and chamfering holes in general machining applications
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