China made 19pcs Cobal HSS Drill bits set with metal case packing

China made 19pcs Cobal HSS Drill bits set with metal case packing

• Shank Type : Round shank for the HSS drill bits

• Material: Cobalt HSS M35,M42

• Use: Metal Drilling, ideal for driling stainless steel

• Surface treatment: Titanium coating is the standard treatment, bright, black oxide, amber finished each is available

• Process: Fully ground drill bits

Cobalt HSS Drill Bits For Steel features:

• High performance 135° split point tip from 3mm and above,  no need to pre-drill or centre punch. prevents 'walking' and enables faster penetration. 

• Manufactured from a high quality M35 or M42 grade steel. Ideal for drilling holes into stainless steel and other alloy materials.

• Fully ground from solid material, high heat resistence for particularly tough metal drilling, dimensionally precise.

• As we the HSS drill bits manufacturer in China, we can provide qualified HSS drill bits withmore competitive price
  

  
  

Contents of the HSS drill bits set:

1, 1.5，2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8，8.5, 9, 9.5, 10mm