RUKO STB-HSS-TiN-SP-Gr.8-6-30.5mm-PG broca escalonada, 7 degraus, 12,5-37,0 mm, HSS revestido a TiN

Drill precise holes for PG cable glands from 12.5 mm to 37.0 mm in a single pass with this 7-step titanium nitride coated step drill bit. The self-centering split point and spiral flute design deliver clean, burr-free holes in sheet metal up to 4 mm thick.

Overview

The RUKO STB-HSS-TiN-SP-Gr.8-6-30.5mm-PG is a professional-grade step drill bit engineered for electrical enclosure and panel work. It combines seven PG thread-compatible steps (PG 7 to PG 29) with a TiN coating for extended tool life and reduced friction.

What stands out

• Integrated deburring function for smooth hole edges
• Self-centering 118° split point eliminates walking
• Works on steel, stainless steel up to 1.0 mm, non-ferrous metals, and plastics
• Cylindrical 10 mm shank fits standard drill chucks

Technical details

• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Shank type: Cylindrical, 10 mm diameter
• Total length: 94 mm, cutting length: 60 mm
• Number of steps: 7
• Drilling diameter range: 12.5 mm – 37.0 mm
• PG thread sizes: PG 7, PG 9, PG 11, PG 13.5, PG 16, PG 21, PG 29
• Max material thickness: 4 mm

Our verdict

A specialized step drill for PG gland holes that saves time and produces accurate, clean results in thin sheet metal.