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APPROVED VENDOR Countersink: 90°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank - Threaded-Shank Three-Flute Countersinks
APPROVED VENDORThreaded-Shank Three-Flute Countersinks

APPROVED VENDOR Countersink: 90°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank

The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle. It features a 5/8 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421542).

SKU 3G-OTH-186124

Brand
APPROVED VENDOR
Item
Countersink: 90°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank
Category
Threaded-Shank Three-Flute Countersinks
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
421542
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
5/8 in
Shank Thread Size
1/4"-28
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle. It features a 5/8 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421542).

Frequently Asked Questions

What is the APPROVED VENDOR 421542 countersink used for?

The APPROVED VENDOR 421542 is a 90° three-flute countersink used to create a conical recess for flat-head screws in metalworking and machining. Its carbide construction suits hardened materials, and the 1/4"-28 threaded shank allows secure mounting in toolholders for precision deburring and countersinking operations.

What are the specifications of the APPROVED VENDOR 421542 countersink?

The APPROVED VENDOR 421542 is a 90° three-flute countersink with a 5/8 in body diameter and a 1/4"-28 shank thread size. It is made of carbide, has a 1/4"-28 shank, and is manufactured under MPN 421542. The three-flute design provides smooth cutting and reduced chatter.

Where to buy the APPROVED VENDOR 421542 countersink worldwide?

3G Electric supplies the APPROVED VENDOR 421542 countersink worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this carbide countersink for your machining needs.

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

To select a countersink for a 1/4"-28 threaded shank, ensure the shank thread size matches your toolholder. The APPROVED VENDOR 421542 has a 1/4"-28 shank and a 5/8 in body diameter. Choose a 90° angle for standard flat-head screws. Carbide is recommended for hard materials like stainless steel.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR 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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