Feature(may vary by option.)

●Material: Cobalt High Speed Steel
●Total length: 2.8 inches (71.5 mm)
●Weight: 1.2 oz (32
●Special processing (drill): titanium coating
●Opening hole: 9 rows (0.2 - 0.5 inches (4 - 12
●Ideal Speed: 600 - 900 (Revolutions per minute)
●Recommended torque: more than 100 (N·m)

[Opening point: 4~22mm 10 sections Single Item]

[Opening point: 4~30mm 14 sections Single Item]

[JSD-412 . JSD-422. JSD-430 Set]

[Opening point: 4~12mm 9 sections Single Item]

Description

Made of highly durable cobalt high speed steel. The spiral groove shape provides excellent sharpness. No need for center punch work.