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APPROVED VENDOR Screw Machine Drill Bit: #21, Carbide, 135° 4-Facet Point - Solid Carbide Screw-Machine Length Drill Bits for Horizontal Drilling
APPROVED VENDORSolid Carbide Screw-Machine Length Drill Bits for Horizontal Drilling

APPROVED VENDOR Screw Machine Drill Bit: #21, Carbide, 135° 4-Facet Point

The APPROVED VENDOR Screw Machine Drill Bit: #21 is a solid carbide screw-machine length drill bit for horizontal drilling, featuring a 135° 4-facet point and slow spiral flute design. With a diameter of 0.1590…

SKU 3G-OTH-198557

Brand
APPROVED VENDOR
Item
Screw Machine Drill Bit: #21, Carbide, 135° 4-Facet Point
Category
Solid Carbide Screw-Machine Length Drill Bits for Horizontal Drilling
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
460-301590
Type
Carbide, Slow Spiral
Point
135° 4-Facet
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Screw Machine Drill Bit: #21 is a solid carbide screw-machine length drill bit for horizontal drilling, featuring a 135° 4-facet point and slow spiral flute design. With a diameter of 0.1590 inches (MPN 460-301590), this tool is engineered for precision in repetitive drilling applications.

Frequently Asked Questions

What is a #21 screw machine drill bit used for?

A #21 screw machine drill bit is used for precision hole drilling in metalworking, particularly in automatic lathes and CNC machines. Its short, rigid design minimizes deflection, making it ideal for high-speed production drilling in steel, stainless steel, and cast iron.

What are the specifications of the APPROVED VENDOR #21 carbide drill bit?

This solid carbide screw machine drill bit has a #21 wire gauge diameter (0.1590 inch), a 135° 4-facet point, and a slow spiral flute design. It is designed for horizontal drilling applications and is manufactured by APPROVED VENDOR under MPN 460-301590.

Where to buy APPROVED VENDOR drill bits worldwide?

3G Electric supplies APPROVED VENDOR screw machine drill bits worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this #21 carbide bit.

How to select the right screw machine drill bit for metal?

Select based on material hardness, hole depth, and machine type. For hard metals like stainless steel, choose a carbide bit with a 135° split point to reduce walking. The slow spiral design aids chip evacuation in deep holes. Match the wire gauge or fractional size to your required hole diameter.

Used in

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APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR solid carbide screw-machine length drill bits for horizontal drilling. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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