OEM APPROVED VENDOR 421547 Carbide Threaded-Shank Three-Flute Countersink
The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 3/8 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-186119
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: 100° is a threaded-shank three-flute countersink with a 3/8 in body diameter and a 1/4"-28 shank thread size. It features a carbide construction and is identified by manufacturer part number 421547.
Frequently Asked Questions
What is the APPROVED VENDOR 421547 countersink used for?
The APPROVED VENDOR 421547 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 provides durability for precision chamfering and deburring on ferrous and non-ferrous materials.
What are the specifications of the APPROVED VENDOR 421547 countersink?
The APPROVED VENDOR 421547 countersink has a 3/8 in body diameter, a 1/4"-28 shank thread size, three flutes, and a 100° angle. It is made of carbide and is identified by manufacturer part number 421547. This threaded-shank design allows secure mounting in compatible tool holders.
Where to buy the APPROVED VENDOR 421547 countersink worldwide?
You can source the APPROVED VENDOR 421547 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this carbide countersink.
How to select the correct countersink for a 1/4"-28 shank?
To select a countersink for a 1/4"-28 shank, ensure the shank thread size matches your tool holder's thread. The APPROVED VENDOR 421547 features a 1/4"-28 threaded shank and a 3/8 in body diameter. Match the countersink angle (100°) to 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.