OEM Countersink: 100°
The APPROVED VENDOR Countersink is a 100° threaded-shank three-flute countersink with a 3/8 in body diameter and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421546.
SKU 3G-OTH-186067
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 100° threaded-shank three-flute countersink with a 3/8 in body diameter and a 1/4"-28 shank thread size. It is made of carbide and is identified by manufacturer part number 421546.
Frequently Asked Questions
What is the APPROVED VENDOR 421546 countersink used for?
The APPROVED VENDOR 421546 is a 100° threaded-shank three-flute countersink used to create a conical recess for flat-head screws in metalworking. Its carbide construction suits hardened materials, and the 1/4"-28 shank fits standard holders for precision deburring and countersinking in industrial machining.
What are the specifications of the APPROVED VENDOR countersink 421546?
The APPROVED VENDOR countersink 421546 has a 3/8 in body diameter, 1/4"-28 shank thread size, three flutes, and a 100° included angle. It is made of carbide and is designed for threaded-shank mounting. The manufacturer part number is 421546.
Where to buy the APPROVED VENDOR 421546 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421546 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 international destination.
How to select the correct countersink for a 100° flat-head screw?
Select a countersink with a 100° included angle to match the screw head. The APPROVED VENDOR 421546 offers a 3/8 in body diameter and 1/4"-28 threaded shank for secure mounting. Ensure the shank thread size matches your holder. Carbide construction provides durability in hard materials like stainless steel.
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.
