Feature(may vary by option.)
●Total length: 2.9 inches (73.5 mm)
●Drilling Size: Diameter 0.13, 0.16, 0.27, 0.27, 0.27, 0.51, 0.51 in (3.3, 4.2, 5.0, 6.8, 8.5, 10.3, 13.0 mm) (for the bottom hole chamfering M12
●Compatible tap screw diameters: M4, M5, M6, M8, M10, M12
●Number of Tiers: 7
●Weight: 0.9 oz (25
●Material: Cobalt High / Titanium Coating (Surface Treatment)
●Compatible Material : Iron plate (about 0.1 inch (3.0 mm)), stainless steel plate (about 0.08 inch (2.0 mm)), aluminum plate, plastic, wood, etc
[For Bolt Underhole]
[For tap underhole]
Description
Straight blade for precise drilling.
Metric coarse thread for the bottom hole of M4, M5, M6, M8, M10, M12 taps.
Titanium coating is very effective for heavy stainless steel drilling.
Prevents the welding of shavings and ensures stable and continuous work.
The size of the hole is engraved so you can see the size of the hole at a glance.
Comes with a stopper to prevent shedding.
From the Manufacturer
Tsubame Sanjo ESD-412T Hex Shank Step Drill for Electric Drills, Made in Japan
Total length: 2.9 inches (73.5 mm); Drilling size: Diameter 0.17, 0.16, 0.3, 0.5, 0.5, 0.51, 0.5 inches (3.3, 4.2, 5.0, 6.8, 8.5, 10.3, 13.0 mm); Compatible tap screw diameters: M4 oz (M4 g); Material: Cobalt His/Titanium coating (25 g). : Iron plate (3. Approx. 0.008 inch (0 mm)), stainless steel plate (approx. 0.08 inch (2.0 mm)), aluminum plate, plastic, wood, etc.