RUKO SPB-TL3000 6,8 mm DIN 338 HSS-G kierrepora

Precision-ground HSS twist drill bit with 6.8 mm diameter and DIN 338 geometry for exact holes in steel, cast iron, non-ferrous metals, plastics, and wood.

Overview

The RUKO SPB-TL3000 is a high-performance twist drill bit manufactured from high-speed steel (HSS) with a ground finish (HSS-G). It conforms to DIN 338, the standard for short series drill bits, ensuring consistent quality and interchangeability. The cylindrical shank fits standard drill chucks, and the right-hand cutting direction suits conventional drilling machines and hand drills.

What stands out

• Diameter: 6.8 mm with h8 tolerance for precise hole sizing.
• Total length: 109 mm; working length: 69 mm.
• 118° point angle for efficient cutting in a wide range of materials.
• Bright surface finish reduces friction and improves chip evacuation.
• Heat resistant up to approximately 450°C, suitable for demanding applications.

Technical details

• Drill bit type: Twist drill bit
• Material: High-speed steel (HSS)
• Manufacturing process: Ground (HSS-G)
• Standard: DIN 338
• Shank type: Cylindrical
• Cutting direction: Right-hand cutting
• Surface finish: Bright
• Recommended applications: Alloyed and unalloyed steel, cast iron, non-ferrous metals, plastics, wood
• Tolerance: h8
• Packaging quantity: 1 piece

Our verdict

The RUKO SPB-TL3000 6.8 mm drill bit delivers reliable performance for metalworking and general drilling tasks. Its precision ground flutes and DIN 338 compliance make it a solid choice for workshops and demanding DIY projects.