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OSG Countersink: 82°, 1 Flute, 1/4 in Body Dia - Fast-Cutting Single-Flute Countersinks
OSGFast-Cutting Single-Flute Countersinks

OSG Countersink: 82°, 1 Flute, 1/4 in Body Dia

OSG Fast-Cutting Single-Flute Countersinks.

SKU 3G-OTH-185706

Also listed as: 7002501 · 700 2501

Brand
OSG
Item
Countersink: 82°, 1 Flute, 1/4 in Body Dia
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
700-2501

Technical Documents

No technical documents available for this product.
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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 OSG Countersink 700-2501 used for?

The OSG 700-2501 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 countersinking operations in machining, aerospace, and automotive applications where precision and surface finish matter.

What are the specifications of OSG Countersink 700-2501?

The OSG 700-2501 is a 1-flute countersink with an 82° included angle and a 1/4 in body diameter. It is made from carbide for wear resistance and long tool life. The manufacturer part number is 700-2501, and it is designed for fast, single-pass countersinking in hard materials.

Where to buy OSG Countersink 700-2501 worldwide?

3G Electric supplies the OSG 700-2501 countersink to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this carbide single-flute countersink.

How to select the right OSG countersink for your application?

Select an OSG countersink based on hole angle (82° for standard flat-head screws), flute count (single-flute for fast cutting), body diameter matching hole size, and material compatibility. Carbide tools like the 700-2501 suit harder materials; use proper RPM and coolant for best results.

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
This OSG countersink features a 90° angle and a single flute, with a 1/4 in body diameter. Made from carbide, it is designed for fast cutting and precision chamfering in both CNC and manual operations. Suitable for deburring and creating conical seats for flat-head screws in metal, plastic, and composite materials
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This OSG countersink features a 90° angle and a single flute, with a 1/4 in body diameter. Made from carbide, it is designed for fast cutting and precision chamfering in both CNC and manual operations. Suitable for deburring and creating conical seats for flat-head screws in metal, plastic, and composite materials
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This OSG countersink features a 60° angle and single-flute design for fast cutting and efficient chip evacuation. Made from carbide, it is suited for deburring and chamfering holes in metal, plastics, and composites. The 5/8 in body diameter creates precise 60° seats for flat-head screws in machining applications
This OSG countersink features a 60° included angle and a single-flute carbide design for fast cutting and smooth finishes. With a 1/4 in body diameter, it is used for chamfering, deburring, and countersinking holes in metal, plastic, or composite materials in precision machining and fabrication applications
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This OSG countersink features a 60° included angle and a single-flute carbide design for fast cutting and smooth finishes. With a 1/4 in body diameter, it is used for chamfering, deburring, and countersinking holes in metal, plastic, or composite materials in precision machining and fabrication applications
OSG Countersink: 60°, 1 Flute, 5/8 in Body Dia, Carbide (MPN 700-6250)
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OSG Countersink: 60°, 1 Flute, 5/8 in Body Dia, Carbide (MPN 700-6250)
OSG Countersink: 60°, 1 Flute, 1/2 in Body Dia, Carbide (MPN 700-5000)
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OSG Countersink: 60°, 1 Flute, 1/2 in Body Dia, Carbide (MPN 700-5000)
This OSG countersink features a 60° included angle and a single flute for fast cutting. It has a 3/8 in body diameter and is made of carbide for wear resistance. Commonly used for deburring and countersinking operations in metal, plastic, and composite materials
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This OSG countersink features a 60° included angle and a single flute for fast cutting. It has a 3/8 in body diameter and is made of carbide for wear resistance. Commonly used for deburring and countersinking operations in metal, plastic, and composite materials

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This 82° single-flute countersink from OSG is made of carbide for fast cutting and clean deburring. The single-flute geometry reduces chatter and improves surface finish. It creates a conical recess for flat-head screws in metal, plastic, or composite materials, ensuring flush seating
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This 82° single-flute countersink from OSG is made of carbide for fast cutting and clean deburring. The single-flute geometry reduces chatter and improves surface finish. It creates a conical recess for flat-head screws in metal, plastic, or composite materials, ensuring flush seating
This OSG countersink features a 90° included angle and a single-flute carbide design for fast, chatter-free cutting. With a 5/8 in body diameter, it creates conical recesses for flat-head screws in metal, plastic, or composite materials. Suitable for precision machining and tool and die work
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This OSG countersink features a 90° included angle and a single-flute carbide design for fast, chatter-free cutting. With a 5/8 in body diameter, it creates conical recesses for flat-head screws in metal, plastic, or composite materials. Suitable for precision machining and tool and die work
This OSG countersink features a single-flute carbide design for fast, chatter-free cutting. The 82° angle creates a conical recess for flat-head screws in metal, plastic, or wood. Body diameter is 5/8 in. Suitable for precision countersinking in machining applications
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This OSG countersink features a single-flute carbide design for fast, chatter-free cutting. The 82° angle creates a conical recess for flat-head screws in metal, plastic, or wood. Body diameter is 5/8 in. Suitable for precision countersinking in machining applications
This OSG countersink features a single-flute carbide design for fast cutting. With a 90° included angle, it is used for deburring and chamfering holes in metal, plastic, and composite materials, creating a conical seat for flat-head screws. Body and shank diameter are both 1/8 in
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This OSG countersink features a single-flute carbide design for fast cutting. With a 90° included angle, it is used for deburring and chamfering holes in metal, plastic, and composite materials, creating a conical seat for flat-head screws. Body and shank diameter are both 1/8 in
Carbide countersink with a 60° included angle and single-flute design for fast cutting. Body diameter is 1 inch. Used for deburring and chamfering holes in metal, plastic, or composite materials
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Carbide countersink with a 60° included angle and single-flute design for fast cutting. Body diameter is 1 inch. Used for deburring and chamfering holes in metal, plastic, or composite materials
This OSG countersink features a 60° included angle and a single-flute design for fast cutting and efficient chip evacuation. The carbide construction provides hardness for use in ferrous and non-ferrous materials. With a 3/4 in body diameter, it is suited for creating conical recesses for flathead screws in machining applications
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This OSG countersink features a 60° included angle and a single-flute design for fast cutting and efficient chip evacuation. The carbide construction provides hardness for use in ferrous and non-ferrous materials. With a 3/4 in body diameter, it is suited for creating conical recesses for flathead screws in machining applications
This OSG countersink features a 90° included angle and a single flute for fast cutting in rigid setups. The carbide construction provides wear resistance for deburring and countersinking holes in metal, plastic, and composite materials. It creates a clean chamfered seat for flat-head screws in industrial machining and fabrication applications
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This OSG countersink features a 90° included angle and a single flute for fast cutting in rigid setups. The carbide construction provides wear resistance for deburring and countersinking holes in metal, plastic, and composite materials. It creates a clean chamfered seat for flat-head screws in industrial machining and fabrication applications
This OSG countersink features a 60° included angle and a single flute for fast cutting. Made of carbide, it has a 1/8 in body diameter and 1/8 in shank diameter. Used for creating chamfered holes in metal, plastic, and composite materials
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This OSG countersink features a 60° included angle and a single flute for fast cutting. Made of carbide, it has a 1/8 in body diameter and 1/8 in shank diameter. Used for creating chamfered holes in metal, plastic, and composite materials