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OEM Countersink: 82° - Threaded-Shank Three-Flute Countersinks
OEMThreaded-Shank Three-Flute Countersinks

OEM Countersink: 82°

The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle. It features a 7/16 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421504).

SKU 3G-OTH-186071

Brand
OEM
Item
Countersink: 82°
Category
Threaded-Shank Three-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

OEM
Manufacturer Part Number
421504
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
7/16 in
Shank Thread Size
1/4"-28

Technical Documents

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

Product Description

The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with an 82° angle. It features a 7/16 in body diameter, a 1/4"-28 shank thread size, and is made of carbide (MPN 421504).

Frequently Asked Questions

What is an APPROVED VENDOR 82° countersink used for?

This 82° three-flute countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. The carbide construction provides wear resistance for consistent chamfering on steel, aluminum, and other materials.

What are the specifications of the APPROVED VENDOR 421504 countersink?

The APPROVED VENDOR 421504 is a carbide threaded-shank countersink with an 82° angle, 3 flutes, a 7/16 in body diameter, and a 1/4"-28 shank thread size. It is designed for precision chamfering in industrial machining operations.

Where to buy the APPROVED VENDOR 421504 countersink worldwide?

3G Electric supplies the APPROVED VENDOR 421504 countersink to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive the correct carbide countersink for your machining needs.

How to select the correct threaded-shank countersink?

Match the shank thread size (1/4"-28) to your toolholder or adapter. Choose the body diameter (7/16 in) to suit the screw head size. For hard materials, carbide like this APPROVED VENDOR countersink offers longer tool life and consistent 82° chamfer angles.

OEM Products

3G Electric supplies OEM threaded-shank three-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
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421506)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421506)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421505)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421505)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421507)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421507)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421501)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421501)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421503)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421503)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421502)
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421502)