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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 3/8 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421502).

SKU 3G-OTH-186114

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
421502
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
3/8 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 3/8 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421502).

Frequently Asked Questions

What is the APPROVED VENDOR 421502 countersink used for?

The APPROVED VENDOR 421502 countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. Its 82° angle matches standard flat-head screw angles, and the carbide construction provides durability for use on hard materials like steel and stainless steel.

What are the specifications of the APPROVED VENDOR 421502 countersink?

The APPROVED VENDOR 421502 countersink has an 82° angle, 3 flutes, a 3/8 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is designed for threaded-shank toolholders. The manufacturer part number is 421502.

Where to buy the APPROVED VENDOR 421502 countersink worldwide?

3G Electric supplies the APPROVED VENDOR 421502 countersink worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this carbide threaded-shank countersink.

How to select the correct countersink for a 1/4"-28 shank?

To select a countersink for a 1/4"-28 shank, ensure the shank thread size matches your toolholder. The APPROVED VENDOR 421502 has a 1/4"-28 threaded shank and a 3/8 in body diameter. For flat-head screws, choose an 82° angle countersink like this one to ensure proper seating.

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, 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, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421504)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421504)
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, 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 421506)
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421506)