OEM Countersink: 90°
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 carries the manufacturer part number…
SKU 3G-OTH-186083
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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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 carries the manufacturer part number 421533.
Frequently Asked Questions
What is the APPROVED VENDOR 421533 countersink used for?
The APPROVED VENDOR 421533 is a 90° three-flute countersink used to create a conical recess for flat-head screws in metalworking and machining applications. Its carbide construction provides durability for use on ferrous and non-ferrous materials, ensuring clean, burr-free countersinking in industrial manufacturing and maintenance operations.
What are the specifications of the APPROVED VENDOR 421533 countersink?
The APPROVED VENDOR 421533 countersink has a 90° angle, three flutes, a 1/2 in body diameter, and a 1/4"-28 threaded shank. It is made of carbide and carries manufacturer part number 421533. This threaded-shank design allows secure mounting in toolholders for precision countersinking in machining centers.
Where to buy the APPROVED VENDOR 421533 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421533 countersink worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact our team to source this carbide countersink for your machining operations.
How to select the correct countersink for a machining application?
Select a countersink based on the screw head angle (typically 90° for flat-head screws), material compatibility (carbide for hard metals), and shank type (threaded shank for secure toolholder mounting). The APPROVED VENDOR 421533 with 1/4"-28 shank and 1/2 in body diameter suits standard countersinking tasks. Always match shank thread size to your toolholder.
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.
