ريش الثقب المعدنية بوش قياس (14mm) المصنوعة من الفولاذ سريع القطع (HSS-G)

Material: High-Speed Steel (HSS-G); Size: 14mm diameter; Quantity: 4 pieces; Tip: Centrally ground for self-centering; Heat- and wear-resistant; Suitable for most power drills; Long tool life with proper use.

Both are HSS-G, 14mm diameter, and designed for metal drilling with self-centering tips. Differences usually come down to brand-specific tolerances, coating, and price. For a direct comparison, see Makita's 14mm HSS-G drill bit set here: https://fepy.com/makita-hss-g-metal-drill-bit-14mm-4-pcs-pack

Yes. The bits are designed to fit most corded or cordless power drills. Ensure the drill chuck can accept a 14mm shank and run the drill at appropriate metal-cutting speeds.

They're suitable for drilling steel, aluminum, and other common metals. For best results, use cutting oil or lubricant and avoid overheating.

The centrally ground point helps with self-centering, reducing walking or wandering when starting a hole and leading to more accurate, cleaner holes.

Clamp the workpiece securely, insert the bit straight into the drill chuck and tighten firmly, start at a slow speed to create a pilot and then advance to a steady, moderate feed. Use lubrication or cutting oil for metal, and periodically withdraw the bit to clear chips.

Wear eye protection and gloves, secure the workpiece with clamps, keep loose clothing away from the drill, use lubrication to reduce heat, and avoid excessive pressure to prevent bit breakage.

Yes. If you need other sizes, you can explore additional options in the HSS-G metal drill bit range, such as 13mm or 16mm variants, from brands like Bosch. For example, see the 13mm option here: https://fepy.com/bosch-hss-g-metal-drill-bit-13mm-4-pcs-pack and the 16mm option here: https://fepy.com/bosch-hss-g-metal-drill-bit-16mm-4-pcs-pack

Keep bits clean and dry when stored, avoid overheating by drilling at appropriate speeds, use cutting oil or lubricant when drilling metal, and store in a dry place to prevent corrosion.

If you’re not satisfied, you can initiate a return under Fepy’s standard return policy. For specifics, contact Fepy support to start the process and confirm eligibility.