OEM Countersink: 100°
The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 7/16 in body diameter and a 1/4"-28 shank thread size. It is made of carbide and has a 100° included angle. The manufacturer…
SKU 3G-OTH-186075
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 7/16 in body diameter and a 1/4"-28 shank thread size. It is made of carbide and has a 100° included angle. The manufacturer part number is 421550.
Frequently Asked Questions
What is the APPROVED VENDOR 100° countersink used for?
This carbide threaded-shank three-flute countersink is used to create a 100° conical recess in metal or composite materials, allowing fastener heads to sit flush with the workpiece surface. It is common in aerospace, automotive, and general machining applications where precision chamfering and deburring are required.
What are the specifications of the APPROVED VENDOR countersink 421550?
The APPROVED VENDOR countersink model 421550 has a 100° included angle, a 7/16 in body diameter, and a 1/4"-28 shank thread size. It features three flutes and is made from carbide. The shank thread size is 1/4"-28, and the manufacturer part number is 421550.
Where to buy the APPROVED VENDOR countersink 421550 worldwide?
3G Electric supplies the APPROVED VENDOR countersink 421550 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote for your region.
How to select the correct threaded-shank countersink for a job?
Select a countersink by matching the shank thread size to your toolholder or adapter—here 1/4"-28. Choose the body diameter (7/16 in) to suit the fastener head size. The included angle (100°) must match the fastener's countersink angle. Carbide material is ideal for hard metals and long tool life.
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.
