OEM Countersink: 90°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle, 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and carries the manufacturer part number 421535.
SKU 3G-OTH-186126
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, 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and carries the manufacturer part number 421535.
Frequently Asked Questions
What is the APPROVED VENDOR 421535 countersink used for?
This 90° three-flute countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. The carbide construction provides wear resistance for use on ferrous and non-ferrous materials. 3G Electric supplies this tool for industrial deburring and countersinking operations.
What are the specifications of the APPROVED VENDOR countersink 421535?
The APPROVED VENDOR countersink has a 90° angle, 3 flutes, 1/2 in body diameter, and a 1/4"-28 shank thread size. It is made of carbide and carries MPN 421535. This threaded-shank design allows secure mounting in toolholders for precision countersinking.
Where to buy the APPROVED VENDOR 421535 countersink worldwide?
3G Electric supplies the APPROVED VENDOR 421535 countersink worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this carbide threaded-shank countersink.
How to select the correct countersink for a 1/4"-28 shank?
Select a countersink with matching 1/4"-28 threaded shank, such as the APPROVED VENDOR 421535. Ensure the body diameter (1/2 in) suits your hole size and the 90° angle matches the screw head. Carbide is recommended for hard materials. 3G Electric can advise on application-specific tooling.
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.
