Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE Screw Machine Drill Bit: 9/64", 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: 9/64", 135° Split Point

The CHICAGO-LATROBE Screw Machine Drill Bit (9/64", MPN 51806) is a general purpose cobalt screw-machine length drill bit with a TiN-coated cobalt construction and a 135° split point. Its key specification is 0.1406…

SKU 3G-OTH-409530

Brand
CHICAGO-LATROBE
Item
Screw Machine Drill Bit: 9/64", 135° Split Point
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
51806
Type
TiN-Coated Cobalt
Split Point
135°
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Screw Machine Drill Bit (9/64", MPN 51806) is a general purpose cobalt screw-machine length drill bit with a TiN-coated cobalt construction and a 135° split point. Its key specification is 0.1406. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the CHICAGO-LATROBE 51806 screw machine drill bit used for?

The CHICAGO-LATROBE 51806 is a general-purpose cobalt screw-machine-length drill bit used for precise, short-hole drilling in metalworking. Its 135° split point reduces walking and improves penetration in hard materials. The TiN coating extends tool life in production environments.

What are the specifications of the CHICAGO-LATROBE 51806 drill bit?

The CHICAGO-LATROBE 51806 is a 9/64" (0.1406 inch) screw-machine-length drill bit with a 135° split point and TiN-coated cobalt construction. It is designed for general-purpose drilling in ferrous metals and other hard materials. The manufacturer part number is 51806.

Where to buy CHICAGO-LATROBE 51806 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 51806 drill bits worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this item.

How to select the right CHICAGO-LATROBE screw machine drill bit?

Select based on hole diameter, material hardness, and depth. The 51806 with TiN coating suits ferrous metals and high-speed applications. For deeper holes, consider jobber-length bits. Always match the split-point angle (135°) to your workpiece to reduce thrust and improve hole quality.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
CHICAGO-LATROBE Screw Machine Drill Bit: 7/64", 135° Split Point, TiN-Coated Cobalt (MPN 51804). Key specifications — attr1233209: 0.1094.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 7/64", 135° Split Point, TiN-Coated Cobalt (MPN 51804). Key specifications — attr1233209: 0.1094.
CHICAGO-LATROBE Screw Machine Drill Bit: 5/64", 135° Split Point, TiN-Coated Cobalt (MPN 51802). Key specifications — attr1233209: 0.0781.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 5/64", 135° Split Point, TiN-Coated Cobalt (MPN 51802). Key specifications — attr1233209: 0.0781.
CHICAGO-LATROBE Screw Machine Drill Bit: 11/64", 135° Split Point, TiN-Coated Cobalt (MPN 51808). Key specifications — attr1233209: 0.1719.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 11/64", 135° Split Point, TiN-Coated Cobalt (MPN 51808). Key specifications — attr1233209: 0.1719.
CHICAGO-LATROBE Screw Machine Drill Bit: 9/32", 135° Split Point, TiN-Coated Cobalt (MPN 51815). Key specifications — attr1233209: 0.2813.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 9/32", 135° Split Point, TiN-Coated Cobalt (MPN 51815). Key specifications — attr1233209: 0.2813.
CHICAGO-LATROBE Screw Machine Drill Bit: 3/16", 135° Split Point, TiN-Coated Cobalt (MPN 51809). Key specifications — attr1233209: 0.1875.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 3/16", 135° Split Point, TiN-Coated Cobalt (MPN 51809). Key specifications — attr1233209: 0.1875.
CHICAGO-LATROBE Screw Machine Drill Bit: 1/16", 135° Split Point, TiN-Coated Cobalt (MPN 51801). Key specifications — attr1233209: 0.0625.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 1/16", 135° Split Point, TiN-Coated Cobalt (MPN 51801). Key specifications — attr1233209: 0.0625.

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Screw Machine Drill Bit: 1/8", 135° Split Point, TiN-Coated Cobalt (MPN 51805). Key specifications — attr1233209: 0.1250.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 1/8", 135° Split Point, TiN-Coated Cobalt (MPN 51805). Key specifications — attr1233209: 0.1250.
CHICAGO-LATROBE Screw Machine Drill Bit: 19/64", 135° Split Point, TiN-Coated Cobalt (MPN 51816). Key specifications — attr1233209: 0.2969.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 19/64", 135° Split Point, TiN-Coated Cobalt (MPN 51816). Key specifications — attr1233209: 0.2969.
CHICAGO-LATROBE Screw Machine Drill Bit: 5/32", 135° Split Point, TiN-Coated Cobalt (MPN 51807). Key specifications — attr1233209: 0.1563.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 5/32", 135° Split Point, TiN-Coated Cobalt (MPN 51807). Key specifications — attr1233209: 0.1563.
CHICAGO-LATROBE Screw Machine Drill Bit: 21/64", 135° Split Point, TiN-Coated Cobalt (MPN 51818). Key specifications — attr1233209: 0.3281.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 21/64", 135° Split Point, TiN-Coated Cobalt (MPN 51818). Key specifications — attr1233209: 0.3281.
CHICAGO-LATROBE Screw Machine Drill Bit: 5/16", 135° Split Point, TiN-Coated Cobalt (MPN 51817). Key specifications — attr1233209: 0.3125.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 5/16", 135° Split Point, TiN-Coated Cobalt (MPN 51817). Key specifications — attr1233209: 0.3125.
CHICAGO-LATROBE Screw Machine Drill Bit: 25/64", 135° Split Point, TiN-Coated Cobalt (MPN 51822). Key specifications — attr1233209: 0.3906.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 25/64", 135° Split Point, TiN-Coated Cobalt (MPN 51822). Key specifications — attr1233209: 0.3906.
CHICAGO-LATROBE Screw Machine Drill Bit: 11/32", 135° Split Point, TiN-Coated Cobalt (MPN 51819). Key specifications — attr1233209: 0.3438.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 11/32", 135° Split Point, TiN-Coated Cobalt (MPN 51819). Key specifications — attr1233209: 0.3438.
CHICAGO-LATROBE Screw Machine Drill Bit: 2.05 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 49004). Key specifications — attr1233209: 0.0807.
CHICAGO-LATROBE
CHICAGO-LATROBE Screw Machine Drill Bit: 2.05 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 49004). Key specifications — attr1233209: 0.0807.