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CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, HSS - Chip-Clearing High-Speed Steel Jobber-Length Drill Bits
CHICAGO-LATROBEChip-Clearing High-Speed Steel Jobber-Length Drill Bits

CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter I, MPN 68978) is a chip-clearing high-speed steel jobber-length drill bit with a 135° split point and parabolic flute design. Its key specification is a diameter of…

SKU 3G-OTH-194342

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter I, 135° Split Point, HSS
Category
Chip-Clearing High-Speed Steel Jobber-Length Drill Bits
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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
68978
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 I, MPN 68978) is a chip-clearing high-speed steel jobber-length drill bit with a 135° split point and parabolic flute design. Its key specification is a diameter of 0.2720 inches. 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in cutting tools and controls.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 68978 used for?

This drill bit is designed for drilling into metal, wood, and plastics. Its parabolic flute design clears chips efficiently in deep-hole applications, while the 135° split point reduces walking and eliminates the need for a center punch. It is commonly used in general manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 68978 drill bit?

The CHICAGO-LATROBE 68978 is a jobber-length drill bit with a Letter I size (0.2720 inch diameter). It features a 135° split point, high-speed steel (HSS) construction, and a parabolic flute design for efficient chip evacuation. The manufacturer part number is 68978.

Where to buy CHICAGO-LATROBE 68978 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 68978 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this item globally.

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

Select the drill bit size based on the required hole diameter and material. The Letter I size (0.2720 inch) is suitable for precision drilling in steel and alloys. For best results, match the bit to your material's hardness and use appropriate cutting fluid. CHICAGO-LATROBE offers a range of letter sizes for various applications.

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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CHICAGO-LATROBE Jobber Length Drill Bit: Letter P, 135° Split Point, HSS, Parabolic Flute (MPN 68984)
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CHICAGO-LATROBE Jobber Length Drill Bit: Letter P, 135° Split Point, HSS, Parabolic Flute (MPN 68984)

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