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
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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.
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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.















