OEM Countersink: 100°
The APPROVED VENDOR Countersink: 100° is a 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 421553.
SKU 3G-OTH-186079
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 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 421553.
Frequently Asked Questions
What is the APPROVED VENDOR 421553 countersink used for?
The APPROVED VENDOR 421553 countersink is used to create a 100° conical recess in a workpiece, allowing a flat-head screw to sit flush with the surface. It is commonly applied in metalworking and machining operations where precise countersinking is required for assembly or finishing.
What are the specifications of the APPROVED VENDOR 421553 countersink?
The APPROVED VENDOR 421553 countersink has a 100° included angle, three flutes, 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 421553. These specs ensure compatibility with standard threaded holders.
Where to buy the APPROVED VENDOR 421553 countersink worldwide?
You can source the APPROVED VENDOR 421553 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 threaded-shank countersink.
How to select the correct threaded-shank countersink for a job?
To select the correct threaded-shank countersink, match the shank thread size (e.g., 1/4"-28) to your holder, choose the body diameter (e.g., 1/2 in) for the screw head size, and select the included angle (e.g., 100°) to match the screw's head angle. Carbide material offers durability for hard materials.
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.
