OEM Countersink: 90°
The APPROVED VENDOR Countersink is a threaded-shank three-flute countersink with a 90° angle. It features a 3/8 in body diameter and a 1/4"-28 shank thread size, constructed from carbide (MPN 421525).
SKU 3G-OTH-186070
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. It features a 3/8 in body diameter and a 1/4"-28 shank thread size, constructed from carbide (MPN 421525).
Frequently Asked Questions
What is the APPROVED VENDOR countersink used for?
The APPROVED VENDOR countersink is used to create a conical recess for flat-head screws in metalworking and woodworking. Its 90° angle and three-flute design provide smooth, chatter-free cutting. It is commonly applied in machining, fabrication, and assembly operations where precise countersinking is required.
What are the specifications of the APPROVED VENDOR countersink?
The APPROVED VENDOR countersink has a 90° angle, three flutes, a 3/8 in body diameter, and a 1/4"-28 shank thread size. It is made from carbide for durability. The manufacturer part number is 421525. These specs ensure compatibility with threaded holders and precision countersinking in hard materials.
Where to buy the APPROVED VENDOR countersink worldwide?
You can source the APPROVED VENDOR 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 provide this carbide countersink to procurement teams and maintenance shops internationally.
How to select the correct APPROVED VENDOR countersink?
Select the APPROVED VENDOR countersink by matching the shank thread size (1/4"-28) to your toolholder, and the body diameter (3/8 in) to the screw head size. The 90° angle suits standard flat-head screws. For hard materials, the carbide construction offers longer tool life. Verify the MPN 421525 for exact specs.
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.
