OEM APPROVED VENDOR 421528 Carbide Threaded-Shank Three-Flute Countersink
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle, a 5/32 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-186113
Local availability & support
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle, a 5/32 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and carries the manufacturer part number 421528.
Frequently Asked Questions
What is the APPROVED VENDOR 421528 countersink used for?
The APPROVED VENDOR 421528 countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. Its 90° angle and three-flute design provide smooth, chatter-free cutting. The carbide construction ensures durability when working with hard materials like steel or stainless steel.
What are the specifications of the APPROVED VENDOR 421528 countersink?
The APPROVED VENDOR 421528 countersink has a 90° angle, three flutes, a 5/32 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and carries the manufacturer part number 421528. This threaded-shank design allows secure mounting in compatible tool holders for precision countersinking.
Where to buy the APPROVED VENDOR 421528 countersink worldwide?
You can source the APPROVED VENDOR 421528 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; we supply this carbide countersink to procurement teams and machine shops internationally.
How to select the correct countersink for a machining job?
To select the correct countersink, match the angle to your screw head (e.g., 90° for standard flat-head screws) and choose a body diameter larger than the screw head. Ensure the shank thread size, such as 1/4"-28 on the APPROVED VENDOR 421528, fits your tool holder. Carbide tools are ideal for hard materials and high-speed operations.
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.