► Alpha | Bulk, Cobalt Drill Bit, Drill Bit, Jobber Drill Bits

M35 Cobalt Drill Bits for Steel, Stainless & Industrial Drilling

Drilling performance drops fast when heat builds, cutting edges soften & standard bits lose bite in steel under load. Alpha bulk cobalt drill bits are engineered for tradies who need M35 cobalt drill bits for steel & stainless that hold hardness, maintain edge retention & keep cutting clean through repeated use. Built for fabrication, mechanical work & industrial drilling, these jobber drill bits for steel deliver consistent hole accuracy where general-purpose bits fail.

Reliable drilling outcomes depend on correct setup & cobalt drill bits for metal perform best when matched with Drills that provide stable speed & torque control across steel applications. Cleaner entry & reduced wander are achieved using Drill Accessories, improving accuracy when drilling stainless steel, plate & structural materials. Smooth finishing after drilling is supported by Countersinks, helping remove burrs & create proper seating for fasteners.

Overheating, glazing & rapid edge wear are common when incorrect drill bits are used on hardened or stainless materials. Alpha industrial drill bits for steel maintain hardness at elevated temperatures, improving chip evacuation & extending tool life across demanding jobs. Stable output is maintained with Power Tool Batteries & Chargers, while Metal Cutting & Grinding Tools support prep & finishing across the full drilling workflow. For deeper trade insight, see The Tradies Guide To Drill Bits & Complete Guide Abrasive Cutting Grinding Discs.

Designed for Trade, Workshop & Industry

Alpha bulk cobalt drill bits are built for high performance drilling across steel, stainless steel & industrial environments.

• M35 cobalt drill bits for steel & stainless applications

• Industrial drill bits for metal with high heat resistance

• Maintains cutting edge during high-speed drilling

• Reduces wear across repetitive drilling tasks

• Built for fabrication, workshop & site use

Shop Alpha Bulk Cobalt Drill Bits by Category

Jobber Drill Bits for Steel

General purpose cobalt jobber drill bits designed for steel drilling.
► Suitable for standard depth drilling in steel & metal
► Maintains cutting performance under heat
► Ideal for fabrication, mechanical & workshop use

Bulk Drill Bit Packs

High volume cobalt drill bits for trade & industrial supply.
► Cost-effective for ongoing drilling work
► Reduces downtime from tool shortages
► Ideal for workshops, site crews & fabrication shops

Heavy-Duty Cobalt Drill Bits

Industrial drill bits for steel & hardened materials.
► Maintains edge strength in high heat conditions
► Reduces breakage during heavy-duty drilling
► Suitable for stainless steel & tough alloys

Precision Drill Bits for Metal

High accuracy drill bits for controlled drilling applications.
► Improves hole accuracy in steel & metal
► Reduces wander during entry
► Supports detailed fabrication & engineering work

Improving drilling efficiency across repetitive work is easier when paired with Cut-Off Tools for clean material prep before drilling begins.

Why Tradies Choose Alpha Bulk Cobalt Drill Bits

Drilling steel efficiently depends on heat resistance, edge stability & consistent cutting performance.

• M35 cobalt drill bits maintain hardness at high temperatures

• Reduces wear when drilling stainless steel & hardened metals

• Improves cutting speed across steel applications

• Enhances hole accuracy & finish quality

• Supports heavy-duty drilling alongside Hammer Drills

• Minimises downtime caused by blunt or broken drill bits

Storing drill bits in Tool Storage protects cutting edges & ensures consistent performance across repeated use.