OEM Countersink: 100°
The APPROVED VENDOR Countersink is a 100° threaded-shank three-flute countersink with 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 421561.
SKU 3G-OTH-186130
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 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 421561.
Frequently Asked Questions
What is the APPROVED VENDOR 421561 countersink used for?
The APPROVED VENDOR 421561 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 deburring and countersinking in industrial manufacturing.
What are the specifications of the APPROVED VENDOR countersink 421561?
The APPROVED VENDOR countersink model 421561 has a 100° angle, three flutes, a 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and is designed for use with threaded shank holders in machining operations.
Where to buy the APPROVED VENDOR 421561 countersink worldwide?
You can source the APPROVED VENDOR 421561 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your machining needs.
How to select the correct countersink for a 1/4"-28 threaded shank?
To select the correct countersink, match the shank thread size to your holder—here 1/4"-28. The 100° angle suits standard flat-head screws. The 1/2 in body diameter determines the recess size. The APPROVED VENDOR 421561 carbide three-flute design offers balanced cutting for metalworking.
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.
