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APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank - Threaded-Shank Three-Flute Countersinks
APPROVED VENDORThreaded-Shank Three-Flute Countersinks

APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank

The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. This carbide tool, manufactured under part number 421559, is designed for…

SKU 3G-OTH-186089

Brand
APPROVED VENDOR
Item
Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank
Category
Threaded-Shank Three-Flute Countersinks
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
421559
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
1/2 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: 100° is a threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. This carbide tool, manufactured under part number 421559, is designed for creating 100° countersunk holes in various materials.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the APPROVED VENDOR 100° countersink used for?

This carbide three-flute countersink creates 100° countersunk holes in materials such as metal and plastic. It is commonly used in machining and assembly operations to prepare holes for flat-head screws, ensuring a flush finish. The 1/4"-28 threaded shank allows secure mounting in compatible toolholders.

What are the specifications of the APPROVED VENDOR countersink 421559?

The APPROVED VENDOR countersink model 421559 has a 100° included angle, three flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide for durability. These specs are suitable for precision countersinking in industrial applications.

Where to buy the APPROVED VENDOR countersink 421559 worldwide?

3G Electric supplies the APPROVED VENDOR countersink 421559 to global buyers. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us to source this threaded-shank three-flute countersink for your machining needs.

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

Ensure the countersink shank thread size matches your toolholder: 1/4"-28. The body diameter (1/2 in) and flute count (three) affect hole finish and chip evacuation. For 100° flat-head screws, use a 100° countersink. Always verify material compatibility—carbide suits hard materials.

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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