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APPROVED VENDOR Countersink: 90°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank - Threaded-Shank Three-Flute Countersinks
APPROVED VENDORThreaded-Shank Three-Flute Countersinks

APPROVED VENDOR Countersink: 90°, 3 Flute, 7/16 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 7/16 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421527).

SKU 3G-OTH-186074

Brand
APPROVED VENDOR
Item
Countersink: 90°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank
Category
Threaded-Shank Three-Flute Countersinks
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
421527
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
7/16 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 7/16 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421527).

Frequently Asked Questions

What is the APPROVED VENDOR 421527 countersink used for?

The APPROVED VENDOR 421527 is a 90° three-flute countersink used to create a conical recess for flat-head screws in metalworking and machining applications. Its carbide construction suits hardened materials, and the 1/4"-28 threaded shank allows secure mounting in toolholders.

What are the specifications of the APPROVED VENDOR 421527 countersink?

The APPROVED VENDOR 421527 is a 90° three-flute countersink with a 7/16 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 part number 421527.

Where to buy the APPROVED VENDOR 421527 countersink worldwide?

3G Electric supplies the APPROVED VENDOR 421527 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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 421527 has a 1/4"-28 shank and a 7/16 in body diameter. Match the body diameter to the screw head size and choose a 90° angle for standard flat-head screws.

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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