We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OEM Countersink: 90° - Threaded-Shank Three-Flute Countersinks
OEMThreaded-Shank Three-Flute Countersinks

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

Brand
OEM
Item
Countersink: 90°
Category
Threaded-Shank Three-Flute Countersinks
Available to Order
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Worldwide Shipping
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Technical specs
1-Day Quote
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OEM
Manufacturer Part Number
421535
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
1/2 in
Shank Thread Size
1/4"-28

Technical Documents

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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
APPROVED VENDOR Jobber Length Drill Bit: #59, 118° 4-Facet Point, Solid Carbide (MPN 450-300410)
APPROVED VENDOR Jobber Length Drill Bit: #59, 118° 4-Facet Point, Solid Carbide (MPN 450-300410)
APPROVED VENDOR Jobber Length Drill Bit: #58, 118° 4-Facet Point, Solid Carbide (MPN 450-300420)
APPROVED VENDOR Jobber Length Drill Bit: #58, 118° 4-Facet Point, Solid Carbide (MPN 450-300420)
APPROVED VENDOR Solid Spade Drill Bit: 11/32", 118° Point, Carbide (MPN 400-001090)
APPROVED VENDOR Solid Spade Drill Bit: 11/32", 118° Point, Carbide (MPN 400-001090)
APPROVED VENDOR Jobber Length Drill Bit: #57, 118° 4-Facet Point, Solid Carbide (MPN 450-300430)
APPROVED VENDOR Jobber Length Drill Bit: #57, 118° 4-Facet Point, Solid Carbide (MPN 450-300430)
APPROVED VENDOR Solid Spade Drill Bit: 15/32", 118° Point, Carbide (MPN 400-001130)
APPROVED VENDOR Solid Spade Drill Bit: 15/32", 118° Point, Carbide (MPN 400-001130)
APPROVED VENDOR Jobber Length Drill Bit: #61, 118° 4-Facet Point, Solid Carbide (MPN 450-300390)
APPROVED VENDOR Jobber Length Drill Bit: #61, 118° 4-Facet Point, Solid Carbide (MPN 450-300390)