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CHICAGO-LATROBE Screw Machine Drill Bit: 21/64", 135° Split Point - General Purpose Cobalt Screw-Machine Length Drill Bits
CHICAGO-LATROBEGeneral Purpose Cobalt Screw-Machine Length Drill Bits

CHICAGO-LATROBE Screw Machine Drill Bit: 21/64", 135° Split Point

The CHICAGO-LATROBE Screw Machine Drill Bit (MPN 51818) is a 21/64" general purpose cobalt screw-machine length drill bit with a 135° split point and TiN-coated cobalt construction. It is designed for precision…

SKU 3G-OTH-409545

Brand
CHICAGO-LATROBE
Item
Screw Machine Drill Bit: 21/64", 135° Split Point
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
51818
Type
TiN-Coated Cobalt
Split Point
135°
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Screw Machine Drill Bit (MPN 51818) is a 21/64" general purpose cobalt screw-machine length drill bit with a 135° split point and TiN-coated cobalt construction. It is designed for precision drilling in industrial applications, with a diameter of 0.3281 inches.

Frequently Asked Questions

What is a CHICAGO-LATROBE 51818 screw machine drill bit used for?

The CHICAGO-LATROBE 51818 is a general-purpose cobalt screw-machine-length drill bit used for precise, short-hole drilling in hard materials. Its 135° split point reduces walking, and the TiN coating extends tool life in production machining across industries like automotive and aerospace.

What are the specifications of the CHICAGO-LATROBE 51818 drill bit?

The CHICAGO-LATROBE 51818 is a TiN-coated cobalt screw-machine-length drill bit with a 21/64" (0.3281") diameter and a 135° split point. It is designed for general-purpose drilling in tough materials, offering wear resistance and reduced thrust force.

Where to buy CHICAGO-LATROBE 51818 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 51818 drill bits worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this TiN-coated cobalt bit to your facility, ensuring you get the right tool for your application.

How to select the correct screw machine drill bit for my application?

Select a screw machine drill bit like the CHICAGO-LATROBE 51818 based on material hardness, hole depth, and finish requirements. For hard materials, choose cobalt with TiN coating and a 135° split point to reduce walking. Match diameter (21/64") and length to your machine's capacity.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE general purpose cobalt screw-machine length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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