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OSGMulti-Flute Countersinks

OSG Countersink: 90°, 18 Flute, 1/4 in Body Dia

OSG Multi-Flute Countersinks.

SKU 3G-OTH-189785

Also listed as: 7012502 · 701 2502

Brand
OSG
Item
Countersink: 90°, 18 Flute, 1/4 in Body Dia
Category
Multi-Flute Countersinks
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Local availability & support

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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
701-2502

Technical Documents

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

Product Description

OSG Multi-Flute Countersinks.

Frequently Asked Questions

What is the OSG 701-2502 countersink used for?

The OSG 701-2502 is a 90° multi-flute countersink used for deburring and chamfering holes in metal, plastic, and composite materials. Its 18-flute carbide design provides smooth, chatter-free operation in CNC and manual machining applications, producing a clean 90° countersink for screw heads.

What are the specifications of the OSG 701-2502 countersink?

The OSG 701-2502 is a 90° countersink with 18 flutes and a 1/4 in body diameter. It is made of carbide and has a manufacturer part number 701-2502. This multi-flute countersink is designed for precision chamfering and deburring in industrial machining.

Where to buy the OSG 701-2502 countersink worldwide?

You can source the OSG 701-2502 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 on this carbide multi-flute countersink.

How to select the right OSG countersink for your application?

Select the OSG countersink based on the required chamfer angle (90° for standard screw heads), material hardness (carbide for steel or abrasive materials), and flute count (18 flutes for smooth finish). Match the body diameter to your tool holder. For high-volume production, OSG carbide tools offer extended tool life.

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 multi-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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Square End Mill: Carbide, 2 Flute, 3 mm Mill Dia, 19 mm LOC, 57 mm OAL (MPN 462-1181)
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OSG Square End Mill: Carbide, 2 Flute, 3 mm Mill Dia, 19 mm LOC, 57 mm OAL (MPN 462-1181)
OSG Square End Mill: Carbide, 4 Flute, 10 mm Mill Dia, 32 mm LOC, 76 mm OAL (MPN 464-3937)
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OSG Square End Mill: Carbide, 4 Flute, 10 mm Mill Dia, 32 mm LOC, 76 mm OAL (MPN 464-3937)
OSG Square End Mill: Carbide, 2 Flute, 18 mm Mill Dia, 57 mm LOC, 127 mm OAL (MPN 462-7087)
OSG
OSG Square End Mill: Carbide, 2 Flute, 18 mm Mill Dia, 57 mm LOC, 127 mm OAL (MPN 462-7087)
OSG Square End Mill: Carbide, 4 Flute, 12 mm Mill Dia, 51 mm LOC, 102 mm OAL (MPN 464-4724)
OSG
OSG Square End Mill: Carbide, 4 Flute, 12 mm Mill Dia, 51 mm LOC, 102 mm OAL (MPN 464-4724)
OSG Square End Mill: Carbide, 4 Flute, 18 mm Mill Dia, 76 mm LOC, 153 mm OAL (MPN 484-7087)
OSG
OSG Square End Mill: Carbide, 4 Flute, 18 mm Mill Dia, 76 mm LOC, 153 mm OAL (MPN 484-7087)
OSG Square End Mill: Carbide, 4 Flute, 18 mm Mill Dia, 57 mm LOC, 127 mm OAL (MPN 464-7087)
OSG
OSG Square End Mill: Carbide, 4 Flute, 18 mm Mill Dia, 57 mm LOC, 127 mm OAL (MPN 464-7087)

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