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CLE-LINE C20878 Cobalt Spot-Weld Drill Bit - Cobalt Spot-Weld Drill Bits
CLE-LINECobalt Spot-Weld Drill Bits

CLE-LINE C20878 Cobalt Spot-Weld Drill Bit

The CLE-LINE Spot Weld Drill Bit (6 mm, MPN C20878) is a Straw/Bronze Cobalt spot-weld drill bit with a 135° split point and a 3-flats shank. Its key specification is.2362.

SKU 3G-OTH-208930

Also listed as: C 20878 · C-20878

Brand
CLE-LINE
Item
C20878 Cobalt Spot-Weld Drill Bit
Part Number
C20878
Category
Cobalt Spot-Weld Drill Bits
Available to Order
Also known as:C20878CLE-LINE
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Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

CLE-LINE
Manufacturer Part Number
C20878
Type
Straw/Bronze Cobalt
Shank
3-Flats
Split Point
135°

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLE-LINE Spot Weld Drill Bit (6 mm, MPN C20878) is a Straw/Bronze Cobalt spot-weld drill bit with a 135° split point and a 3-flats shank. Its key specification is.2362.

Frequently Asked Questions

What is a CLE-LINE spot weld drill bit used for?

A CLE-LINE spot weld drill bit is designed to remove spot welds in automotive and sheet metal fabrication. Its 135° split point and cobalt construction allow it to drill through hardened weld nuggets without walking, making it ideal for body shops and metalworking industries.

What are the specifications of the CLE-LINE C20878 spot weld drill bit?

The CLE-LINE C20878 is a 6 mm (0.2362 inch) cobalt spot-weld drill bit with a 135° split point and a straw/bronze finish. It features a 3-flats shank for secure chuck grip. The cobalt alloy provides heat resistance for drilling through tough weld joints.

Where to buy CLE-LINE spot weld drill bits worldwide?

CLE-LINE spot weld drill bits are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on the C20878 model.

How to select the right spot weld drill bit size?

Select a spot weld drill bit diameter that matches the weld nugget size, typically 6 mm to 8 mm for automotive work. The CLE-LINE C20878 at 6 mm suits standard spot welds. Ensure the bit has a 135° split point to prevent walking and a cobalt grade for durability on hardened steel.

Used in

Common applications for CLE-LINE
General maintenance and repair — CLE-LINE Black & Gold HSS jobber-length drill bits (e.g., C18092) for drilling steel, aluminum, and plastics.
Structural steel fabrication — CLE-LINE Silver & Deming drill bits (e.g., C27602) for large-diameter holes in plate and beams.
Stainless steel and hard alloy drilling — CLE-LINE cobalt jobber-length drill bits (e.g., C23323) with 135° split point for heat resistance.
Portable magnetic drilling — CLE-LINE cobalt annular cutters (e.g., C34147) with pilot pin for holemaking in steel plate.
Metric equipment assembly — CLE-LINE metric jobber-length drill bits (e.g., C74017) for matching metric fasteners and components.
Heavy equipment maintenance — CLE-LINE 3-flats shank drill bits for secure chucking in portable drills under high torque.
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CLE-LINE Products

3G Electric supplies CLE-LINE cobalt spot-weld 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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