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CHICAGO-LATROBE #77 Jobber Length Drill Bit - General Purpose High-Speed Steel Jobber-Length Drill Bits
CHICAGO-LATROBEGeneral Purpose High-Speed Steel Jobber-Length Drill Bits

CHICAGO-LATROBE #77 Jobber Length Drill Bit

CHICAGO-LATROBE General Purpose High-Speed Steel Jobber-Length Drill Bits.

SKU 3G-OTH-192143

Brand
CHICAGO-LATROBE
Item
#77 Jobber Length Drill Bit
Part Number
70177
Category
General Purpose High-Speed Steel Jobber-Length Drill Bits
Available to Order
Also known as:70177CHICAGO-LATROBE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
70177

Technical Documents

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

Product Description

CHICAGO-LATROBE General Purpose High-Speed Steel Jobber-Length Drill Bits.

Frequently Asked Questions

What is the CHICAGO-LATROBE #77 drill bit used for?

The CHICAGO-LATROBE #77 jobber length drill bit is used for precision drilling in metal, plastic, and wood. Its 118° point and TiN coating reduce friction and extend tool life, making it suitable for general-purpose machining in maintenance, fabrication, and production environments.

What are the specifications of the CHICAGO-LATROBE #77 drill bit?

The CHICAGO-LATROBE #77 jobber length drill bit has a 0.0180 inch diameter, a 118° point angle, and is made from TiN-coated high-speed steel. The manufacturer part number is 70177. It is designed for general-purpose drilling in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the #77 jobber length drill bit (MPN 70177).

How to select the right CHICAGO-LATROBE drill bit size?

Select a CHICAGO-LATROBE drill bit by matching the wire gauge number or decimal diameter to your hole requirement. The #77 bit has a 0.0180 inch diameter, ideal for small precision holes. Always use appropriate speed and feed rates for the material being drilled to maximize tool life.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE general purpose high-speed steel jobber-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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