High Hardness HSS Drill Countersink Bit (370700)

• Material: HSS or M2
• Treatment: Heat-Treated, Hardened and Tempered
• Size: 6mm to 22mm, and 1/4" to 7/8"
• Hardness: 62-66HRC
• Finish: Polished
• OEM: Acceptable
• Model NO.: 370700
• Transport Package: Blister Card
• Specification: DIN 334
• Origin: China
• HS Code: 8207501000
• Production Capacity: 20000PCS/Month

Product Description

This 5 flute countersink is made of high speed steel or m2 steel for cutting the angle of chamfer of metal. High Quality for long time and proffessional use.

Feature:
Made of high speed steel with good heat-treated, hardened and tempered for long time use.
90 degree cone corresponds with the shape of the counter-sink screw or bolt head.
Radial back-off clearance makes it possible to work withour irattlingi, and also removes chipos and swarf perfectly.
Polish, Black Oxide & Titanium Coated are available.

Art Nr. Speicification

370706 6mm
370708 8mm
370710 10mm
370712 12mm
370716 16mm
370719 19mm
370722 22mm
370724 1/4"
370726 5/16"
370728 3/8"
370732 1/2"
370738 5/8"
370744 3/4"
370748 7/8"

Wlecome to order, for more products information, please contact or mail us, we will provide our proffessional countersink with valued service.