OEM APPROVED VENDOR 421530 Carbide Threaded-Shank Three-Flute Countersink
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part…
SKU 3G-OTH-186078
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Product Description
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421530.
Frequently Asked Questions
What is the APPROVED VENDOR 421530 countersink used for?
The APPROVED VENDOR 421530 countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. Its 90° angle and three-flute design provide smooth, chatter-free cutting in materials such as steel and aluminum.
What are the specifications of the APPROVED VENDOR 421530 countersink?
The APPROVED VENDOR 421530 countersink has a 90° angle, three flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421530.
Where to buy the APPROVED VENDOR 421530 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421530 countersink worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this threaded-shank three-flute countersink for your industrial needs.
How to select the correct countersink for a machining job?
Select a countersink based on the screw head angle (typically 90° for flat-head screws), body diameter matching the screw head size, and shank type compatible with your tool holder. The APPROVED VENDOR 421530 uses a 1/4"-28 threaded shank for secure mounting.
OEM Products
3G Electric supplies OEM threaded-shank three-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.