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

OEM Countersink: 100° - Threaded-Shank Three-Flute Countersinks
OEMThreaded-Shank Three-Flute Countersinks

OEM Countersink: 100°

The APPROVED VENDOR Countersink: 100° is a threaded-shank three-flute countersink with a 3/8 in body diameter and a 1/4"-28 shank thread size. It features a carbide construction and is identified by manufacturer part…

SKU 3G-OTH-186119

Brand
OEM
Item
Countersink: 100°
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
421547
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
3/8 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: 100° is a threaded-shank three-flute countersink with a 3/8 in body diameter and a 1/4"-28 shank thread size. It features a carbide construction and is identified by manufacturer part number 421547.

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 421547 countersink used for?

The APPROVED VENDOR 421547 is a 100° threaded-shank three-flute countersink used to create a conical recess for flat-head screws in metalworking and machining applications. Its carbide construction provides durability for precision chamfering and deburring on ferrous and non-ferrous materials.

What are the specifications of the APPROVED VENDOR 421547 countersink?

The APPROVED VENDOR 421547 countersink has a 3/8 in body diameter, a 1/4"-28 shank thread size, three flutes, and a 100° angle. It is made of carbide and is identified by manufacturer part number 421547. This threaded-shank design allows secure mounting in compatible tool holders.

Where to buy the APPROVED VENDOR 421547 countersink worldwide?

You can source the APPROVED VENDOR 421547 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 countersink.

How to select the correct countersink for a 1/4"-28 shank?

To select a countersink for a 1/4"-28 shank, ensure the shank thread size matches your tool holder's thread. The APPROVED VENDOR 421547 features a 1/4"-28 threaded shank and a 3/8 in body diameter. Match the countersink angle (100°) to your screw head angle for proper seating.

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 Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421545)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421545)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421546)
APPROVED VENDOR Countersink: 100°, 3 Flute, 3/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421546)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421550)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421550)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421548)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421548)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421551)
APPROVED VENDOR Countersink: 100°, 3 Flute, 7/16 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421551)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421531)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421531)