Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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 is a 100° threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. It features a carbide construction and is identified by manufacturer part…

SKU 3G-OTH-186091

Brand
APPROVED VENDOR
Item
Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank
Category
Threaded-Shank Three-Flute Countersinks
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
421560
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
1/2 in
Shank Thread Size
1/4"-28
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The APPROVED VENDOR Countersink is a 100° threaded-shank three-flute countersink with a 1/2 in body diameter and a 1/4"-28 shank thread size. It features a carbide construction and is identified by manufacturer part number 421560.

Frequently Asked Questions

What is the APPROVED VENDOR 421560 countersink used for?

The APPROVED VENDOR 421560 is a 100° threaded-shank 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 shank fits standard toolholders.

What are the specifications of the APPROVED VENDOR 421560 countersink?

The APPROVED VENDOR 421560 countersink has a 1/2 in body diameter, 1/4"-28 shank thread size, 3 flutes, and a 100° included angle. It is made of carbide, with manufacturer part number 421560. These specs ensure precise countersinking in industrial machining.

Where to buy the APPROVED VENDOR 421560 countersink worldwide?

3G Electric supplies the APPROVED VENDOR 421560 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver this carbide countersink to any location.

How to select the correct threaded-shank countersink for a machining job?

Select a threaded-shank countersink by matching the shank thread size (e.g., 1/4"-28) to your toolholder, and choose body diameter and flute count based on screw head size and material. For hard materials, carbide like the APPROVED VENDOR 421560 provides durability and clean cuts.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421561). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421561). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421559). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 100°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421559). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421565). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421565). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421564). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421564). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421563). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421563). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421562). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 100°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421562). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.

More from APPROVED VENDOR

View all APPROVED VENDOR parts
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421518). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 3 Flute, 3/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421518). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421504). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421504). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421551). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421551). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421536). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421536). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 90°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421529). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 90°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421529). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 130°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421571). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 130°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421571). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 3 Flute, 5/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421520). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 3 Flute, 5/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421520). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR Countersink: 82°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421514). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Countersink: 82°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421514). Key specifications — Shank Thread Size: 1/4"-28; Brand: APPROVED VENDOR.