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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
Category
Chip-Clearing High-Speed Steel Jobber-Length Drill Bits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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.

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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Cross-referenced by specification & description
High-speed steel jobber-length drill bit with a 0.2950-inch diameter (Letter M). Features a 135° split point for reduced walking and a parabolic flute design for efficient chip evacuation in deep-hole drilling. Suitable for general-purpose drilling in metal, wood, and plastic
CHICAGO-LATROBE
High-speed steel jobber-length drill bit with a 0.2950-inch diameter (Letter M). Features a 135° split point for reduced walking and a parabolic flute design for efficient chip evacuation in deep-hole drilling. Suitable for general-purpose drilling in metal, wood, and plastic
This jobber-length drill bit is made of high-speed steel with a parabolic flute design for efficient chip evacuation. The 135° split point reduces walking and eliminates the need for a center punch. Suitable for drilling in metal, wood, and plastic in general maintenance, fabrication, and production applications
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This jobber-length drill bit is made of high-speed steel with a parabolic flute design for efficient chip evacuation. The 135° split point reduces walking and eliminates the need for a center punch. Suitable for drilling in metal, wood, and plastic in general maintenance, fabrication, and production applications
This high-speed steel jobber-length drill bit features a parabolic flute design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and eliminates the need for center punching. Suitable for drilling into metal, wood, and plastics in general manufacturing and maintenance applications
CHICAGO-LATROBE
This high-speed steel jobber-length drill bit features a parabolic flute design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and eliminates the need for center punching. Suitable for drilling into metal, wood, and plastics in general manufacturing and maintenance applications
High-speed steel jobber-length drill bit with a 135° split point and parabolic flute design for efficient chip evacuation. Letter R size (0.3390 inch diameter). Suitable for deep-hole drilling in ferrous and non-ferrous materials in general machining and maintenance applications
CHICAGO-LATROBE
High-speed steel jobber-length drill bit with a 135° split point and parabolic flute design for efficient chip evacuation. Letter R size (0.3390 inch diameter). Suitable for deep-hole drilling in ferrous and non-ferrous materials in general machining and maintenance applications
High-speed steel jobber-length drill bit with a 0.2420-inch diameter (Letter C). Features a 135° split point for reduced walking and a parabolic flute design for efficient chip evacuation in deep-hole drilling. Suitable for general-purpose drilling in metal, wood, and plastics in maintenance, fabrication, and production applications
CHICAGO-LATROBE
High-speed steel jobber-length drill bit with a 0.2420-inch diameter (Letter C). Features a 135° split point for reduced walking and a parabolic flute design for efficient chip evacuation in deep-hole drilling. Suitable for general-purpose drilling in metal, wood, and plastics in maintenance, fabrication, and production applications
High-speed steel jobber-length drill bit with parabolic flute design for efficient chip evacuation in deep-hole drilling. Features a 135° split point to reduce thrust and prevent binding. Letter S size, 0.3480-inch diameter. Suitable for general metal drilling applications requiring chip clearance
CHICAGO-LATROBE
High-speed steel jobber-length drill bit with parabolic flute design for efficient chip evacuation in deep-hole drilling. Features a 135° split point to reduce thrust and prevent binding. Letter S size, 0.3480-inch diameter. Suitable for general metal drilling applications requiring chip clearance

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This #3 jobber-length drill bit is made of high-speed steel with a parabolic flute and fast spiral design for efficient chip evacuation. The 135° split point reduces walking and improves cutting action. Suitable for general-purpose drilling in metalworking and maintenance tasks
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This #3 jobber-length drill bit is made of high-speed steel with a parabolic flute and fast spiral design for efficient chip evacuation. The 135° split point reduces walking and improves cutting action. Suitable for general-purpose drilling in metalworking and maintenance tasks
This #51 (0.0670 in) jobber-length drill bit is made from TiN-coated high-speed steel with a parabolic flute and 135° split point. The parabolic flute design facilitates chip clearing in deep-hole drilling applications in metals and plastics. Suitable for general machining, toolmaking, and maintenance operations requiring precise small-diameter holes
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This #51 (0.0670 in) jobber-length drill bit is made from TiN-coated high-speed steel with a parabolic flute and 135° split point. The parabolic flute design facilitates chip clearing in deep-hole drilling applications in metals and plastics. Suitable for general machining, toolmaking, and maintenance operations requiring precise small-diameter holes
This #16 jobber-length drill bit is made of high-speed steel with a parabolic flute and fast spiral design for efficient chip clearing in deep-hole drilling. The 135° split point reduces walking and allows for precise starting without a center punch. Suitable for general-purpose drilling in metal, wood, and plastics
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This #16 jobber-length drill bit is made of high-speed steel with a parabolic flute and fast spiral design for efficient chip clearing in deep-hole drilling. The 135° split point reduces walking and allows for precise starting without a center punch. Suitable for general-purpose drilling in metal, wood, and plastics
This jobber-length drill bit features a TiN-coated high-speed steel construction with a parabolic flute design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and improves cutting action. Suitable for general-purpose drilling in metalworking and machining applications
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This jobber-length drill bit features a TiN-coated high-speed steel construction with a parabolic flute design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and improves cutting action. Suitable for general-purpose drilling in metalworking and machining applications
This #14 jobber-length drill bit features a TiN-coated high-speed steel construction with a parabolic flute design and a 135° split point. It is suited for chip-clearing in deep-hole drilling applications in metals and alloys, commonly used in machining and fabrication operations
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This #14 jobber-length drill bit features a TiN-coated high-speed steel construction with a parabolic flute design and a 135° split point. It is suited for chip-clearing in deep-hole drilling applications in metals and alloys, commonly used in machining and fabrication operations
This #5 jobber-length drill bit is made from high-speed steel with a parabolic flute and fast spiral design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and improves cutting action. Suitable for general-purpose drilling in metalworking and fabrication applications
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This #5 jobber-length drill bit is made from high-speed steel with a parabolic flute and fast spiral design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and improves cutting action. Suitable for general-purpose drilling in metalworking and fabrication applications
High-speed steel jobber-length drill bit with a 0.2610-inch diameter, letter G size. Features a 135° split point for reduced walking and a parabolic flute design for efficient chip evacuation in deep-hole drilling. Suitable for drilling in metal, wood, and plastics in general industrial applications
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High-speed steel jobber-length drill bit with a 0.2610-inch diameter, letter G size. Features a 135° split point for reduced walking and a parabolic flute design for efficient chip evacuation in deep-hole drilling. Suitable for drilling in metal, wood, and plastics in general industrial applications
This #29 jobber-length drill bit features a TiN-coated high-speed steel construction with a parabolic flute design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and improves cutting action. Suitable for general metalworking and manufacturing applications requiring precise hole drilling
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This #29 jobber-length drill bit features a TiN-coated high-speed steel construction with a parabolic flute design for efficient chip evacuation in deep-hole drilling. The 135° split point reduces walking and improves cutting action. Suitable for general metalworking and manufacturing applications requiring precise hole drilling