Sutton Tools Heavy Duty Cobalt jobber drills are industrial quality for drilling materials that have high hardness and tensile strength such as cast iron, bronze, hardened steel & stainless steel. These drill bits feature a thick core for increased rigidity in hard materials. Range (in): 1/16-3/8 x 64ths. 135° split point (drills > 2mm & 3/32) enables accurate positioning and less drilling pressure. Thick core for increased rigidity in hard materials. Precision engineered parallel shank for accurate hole size. Made from HSS Co. The 5% cobalt formula improves abrasive & heat resistance, for increased strength at higher cutting temperatures. Colour Tempered surface finish enables identification of cobalt tool material. Material: High Speed Steel Cobalt. Point Form: Form C. Optimal for Steel – Non-alloy, cast & free cutting (0.45 %C)- 250 HB. Optimal for Steel – Non-alloy, cast & free cutting (0.75 %C)- 300 HB. Optimal for Steel – Low alloy & cast. Optimal for Copper & Copper alloys (Brass/Bronze) – Brass (CuZn, CuSnZn)- 90 HB. High Speed Steel Cobalt (HSS Co5%). Pieces in a Set. The item “Sutton D109S2 21 piece Cobalt Imperial Jobber Drill Set Colour Temp Free Express” is in sale since Sunday, November 21, 2021. This item is in the category “Home & Garden\Tools & Workshop Equipment\Power Tool & Air Tool Accessories\Drill Bits”. The seller is “iza.au2015″ and is located in Northmead, NSW. This item can be shipped worldwide.

• Type: Jobber Drill Set
• Manufacturer Part Number: D109S2
• Number of Items in Set: 21
• MPN: D109S2
• Suitable For: Drill
• Item Diameter: 3/8 in
• Brand: Sutton Tools
• Sanding Grade: Medium
• Colour: Blue
• Material: Steel
• Model: D109S2