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CHICAGO-LATROBE Letter W High-Speed Steel Jobber-Length Drill - Chip-Clearing High-Speed Steel Jobber-Length Drill Bits
CHICAGO-LATROBEChip-Clearing High-Speed Steel Jobber-Length Drill Bits

CHICAGO-LATROBE Letter W High-Speed Steel Jobber-Length Drill

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter W, MPN 68991) is a chip-clearing high-speed steel jobber-length drill bit with a 135° split point and parabolic flute design. It features a 0.3860-inch diameter…

SKU 3G-OTH-194384

Brand
CHICAGO-LATROBE
Item
Letter W High-Speed Steel Jobber-Length Drill
Part Number
68991
Category
Chip-Clearing High-Speed Steel Jobber-Length Drill Bits
Available to Order
Also known as:68991CHICAGO-LATROBE
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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.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
68991
Type
HSS, Parabolic Flute
Split Point
135°

Technical Documents

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter W, MPN 68991) is a chip-clearing high-speed steel jobber-length drill bit with a 135° split point and parabolic flute design. It features a 0.3860-inch diameter, engineered for efficient chip evacuation in industrial drilling applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 68991 used for?

This drill bit is designed for drilling holes in metal, wood, and plastic. Its 135° split point reduces walking and requires less thrust, while the parabolic flute clears chips efficiently in deep-hole applications. It is commonly used in general manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 68991 drill bit?

The CHICAGO-LATROBE 68991 is a jobber-length drill bit with a Letter W size (0.3860 inch diameter). It features a 135° split point, high-speed steel (HSS) construction, and a parabolic flute design for chip clearance. The manufacturer part number is 68991.

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 68991 model.

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

Select based on material and hole depth. For deep holes, choose a parabolic flute design like the 68991. The 135° split point is ideal for hard metals. Match the letter or fractional size to your required hole diameter. Always use proper cutting fluid for best results.

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.
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CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE chip-clearing 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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