OEM Screw Machine Drill Bit: #21
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
Also listed as: 460301590 · 460 301590
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 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.
OEM Products
3G Electric supplies OEM 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.
