OEM Countersink: 90°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle. It features a 3/8 in body diameter and a 1/4"-28 shank thread size, constructed from carbide. This product is identified…
SKU 3G-OTH-186068
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. It features a 3/8 in body diameter and a 1/4"-28 shank thread size, constructed from carbide. This product is identified by manufacturer part number 421524.
Frequently Asked Questions
What is the APPROVED VENDOR 421524 countersink used for?
The APPROVED VENDOR 421524 is a 90° 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 threaded shank allows secure mounting in toolholders.
What are the specifications of the APPROVED VENDOR 421524 countersink?
The APPROVED VENDOR 421524 is a carbide threaded-shank three-flute countersink with a 90° angle. It has a 3/8 in body diameter and a 1/4"-28 shank thread size. The manufacturer part number is 421524, and it is designed for precision deburring and countersinking.
Where to buy the APPROVED VENDOR 421524 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421524 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this carbide countersink to any country.
How to select the correct countersink for a 1/4"-28 threaded shank?
To select a countersink for a 1/4"-28 threaded shank, match the shank thread size exactly to your toolholder. The APPROVED VENDOR 421524 has a 1/4"-28 shank and a 3/8 in body diameter. Ensure the countersink angle (90°) matches your screw head angle for proper seating.
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.
