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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. It features a 5/8 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421542).

SKU 3G-OTH-186124

Brand
OEM
Item
Countersink: 90°
Category
Threaded-Shank Three-Flute Countersinks
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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.

Technical Specifications

OEM
Manufacturer Part Number
421542
Type
Carbide
Flute
3
Shank
1/4"-28
Body Dia
5/8 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 is a threaded-shank three-flute countersink with a 90° angle. It features a 5/8 in body diameter and a 1/4"-28 shank thread size, and is made of carbide (MPN 421542).

Frequently Asked Questions

What is the APPROVED VENDOR 421542 countersink used for?

The APPROVED VENDOR 421542 is a 90° three-flute countersink used to create a conical recess for flat-head screws in metalworking and machining. Its carbide construction suits hardened materials, and the 1/4"-28 threaded shank allows secure mounting in toolholders for precision deburring and countersinking operations.

What are the specifications of the APPROVED VENDOR 421542 countersink?

The APPROVED VENDOR 421542 is a 90° three-flute countersink with a 5/8 in body diameter and a 1/4"-28 shank thread size. It is made of carbide, has a 1/4"-28 shank, and is manufactured under MPN 421542. The three-flute design provides smooth cutting and reduced chatter.

Where to buy the APPROVED VENDOR 421542 countersink worldwide?

3G Electric supplies the APPROVED VENDOR 421542 countersink worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this carbide countersink for your machining needs.

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

To select a countersink for a 1/4"-28 threaded shank, ensure the shank thread size matches your toolholder. The APPROVED VENDOR 421542 has a 1/4"-28 shank and a 5/8 in body diameter. Choose a 90° angle for standard flat-head screws. Carbide is recommended for hard materials like stainless steel.

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: 90°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421543)
APPROVED VENDOR Countersink: 90°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421543)
APPROVED VENDOR Countersink: 90°, 3 Flute, 3/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421540)
APPROVED VENDOR Countersink: 90°, 3 Flute, 3/32 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421540)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421538)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421538)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/4 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421544)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/4 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421544)
APPROVED VENDOR Countersink: 90°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421541)
APPROVED VENDOR Countersink: 90°, 3 Flute, 5/8 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421541)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421539)
APPROVED VENDOR Countersink: 90°, 3 Flute, 1/2 in Body Dia, 1/4"-28 Shank, Carbide (MPN 421539)