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CLE-LINE Mechanics Length Drill Bit: 7/16", 135° Split Point, Straw/Bronze Cobalt - Left-Hand Cobalt Mechanics-Length Drill Bits
CLE-LINELeft-Hand Cobalt Mechanics-Length Drill Bits

CLE-LINE Mechanics Length Drill Bit: 7/16", 135° Split Point, Straw/Bronze Cobalt

The CLE-LINE Mechanics Length Drill Bit (MPN C30528) is a 7/16" left-hand cobalt bit with a 135° split point and straw/bronze finish, designed for industrial drilling applications. 3G Electric interprets customer…

SKU 3G-OTH-196720

Also listed as: C 30528 · C-30528

Brand
CLE-LINE
Item
Mechanics Length Drill Bit: 7/16", 135° Split Point, Straw/Bronze Cobalt
Category
Left-Hand Cobalt Mechanics-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

CLE-LINE
Manufacturer Part Number
C30528
Type
Straw/Bronze Cobalt, Left Hand
Split Point
135°

Technical Documents

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CLE-LINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLE-LINE Mechanics Length Drill Bit (MPN C30528) is a 7/16" left-hand cobalt bit with a 135° split point and straw/bronze finish, designed for industrial drilling applications. 3G Electric interprets customer demand and delivers this bit across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is a CLE-LINE C30528 left-hand drill bit used for?

The CLE-LINE C30528 is a 7/16" mechanics-length left-hand drill bit with a 135° split point and straw/bronze cobalt finish. It is designed to remove broken bolts or screws by drilling in reverse, common in automotive and industrial repair applications.

What are the specifications of the CLE-LINE C30528 drill bit?

The CLE-LINE C30528 is a 7/16" (0.4375 inch) mechanics-length left-hand drill bit with a 135° split point and straw/bronze cobalt finish. It is made from cobalt steel for heat resistance and durability in hard materials.

Where to buy CLE-LINE C30528 left-hand drill bits worldwide?

3G Electric supplies the CLE-LINE C30528 left-hand drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this item.

How to use a left-hand drill bit like the CLE-LINE C30528?

To use a left-hand drill bit like the CLE-LINE C30528, set your drill to reverse rotation. Apply steady pressure and low speed to drill into the broken fastener. The left-hand rotation often helps extract the fastener without additional tools.

Used in

Common applications for CLE-LINE
Structural steel fabrication — CLE-LINE cobalt annular cutters for drilling bolt holes in beams and girders
Maintenance and repair — CLE-LINE taper-shank drill bits for reaming and drilling in machine shops
Metalworking — CLE-LINE tap wrenches for manual threading of holes in steel plates
Construction — CLE-LINE HSS drill bits for drilling into mild steel and alloy steel components
Automotive repair — CLE-LINE annular cutters for cutting holes in chassis and frame members
General machining — CLE-LINE taper-shank drill bits for use on drill presses and lathes

CLE-LINE Products

3G Electric supplies CLE-LINE left-hand cobalt mechanics-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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