Format Twist Drill Bit HSS-Co CYL 7mm

The Format Twist Drill Bit HSS-Co CYL 7mm is a high-performance tool engineered for precision and durability in demanding metalworking environments. Featuring a 7 mm diameter and a cylindrical shank, this drill bit is manufactured from cobalt-alloyed high-speed steel (HSS-Co), providing exceptional heat resistance and structural integrity during intensive drilling operations. Designed to meet the rigorous demands of professional workshops and industrial maintenance, it ensures clean hole execution and long-lasting tool life even when working with tough and resilient materials.

Advantages

The cobalt-alloyed high-speed steel construction significantly enhances the tool's hardness and thermal resistance, allowing it to maintain cutting edge sharpness under high temperatures generated during continuous drilling. Its precise geometry ensures accurate centering and reduces wandering, leading to clean and accurate hole formation. The cylindrical shank offers broad compatibility with standard drill chucks, making it a versatile addition to any professional toolbox.

Suitable for

• Drilling stainless steel and alloyed steels
• Machining hard metals in professional workshops
• Industrial maintenance and repair operations
• Precision metalworking and fabrication tasks

When it may not be suitable

This drill bit is not optimized for drilling in soft materials such as wood, plastics, or masonry, as the specialized geometry and material are tailored specifically for hard metals. Using it on non-metallic surfaces may result in suboptimal hole quality and unnecessary wear on the cutting edges.

Key specifications

• Diameter: 7 mm
• Shank type: Cylindrical
• Material: Cobalt-alloyed high-speed steel (HSS-Co)
• Application: Metalworking and drilling in hard materials

How to use

Secure the cylindrical shank firmly into a compatible drill chuck to prevent slippage during operation. Mark the drilling spot accurately using a center punch to guide the bit and prevent initial wandering. Apply steady, moderate pressure and use an appropriate cutting fluid or lubricant to dissipate heat and extend the service life of the drill bit when working with stainless steel or hard alloys.

What to consider before purchase

• Verify that your drilling equipment is compatible with a 7 mm cylindrical shank drill bit.
• Ensure the target material matches the cobalt HSS-Co application range, such as stainless steel or hard metals.
• Check that appropriate cooling or cutting fluids are available for high-stress drilling tasks.

Usage recommendations: Always wear appropriate personal protective equipment, including safety glasses, when operating drilling tools. Maintain a consistent feed rate and avoid excessive lateral pressure to prevent bit breakage.