HSS-CO 13-Piece Set of Twist Drill Set Boxed Metal Wood Plastic Drilling Tools

Gold, white, Tan (Tan contains cobalt) 13-piece uniform specifications:

1.5mm 2mm 3mm 3.2mm 3.5mm 4mm

4.5mm 4.8mm 5mm 5.5mm 6mm 6.5mm

Note: This book is made of HSS-4241 high-speed steel, 1. The white and titanium-plated gold models are only suitable for processing soft materials such as wood, rubber, plastic, bamboo, and thin iron sheets, but not suitable for drilling hard metal materials. If you do not listen to the advice, you will not be responsible for any quality problems that occur beyond the scope of use of this product. 2. Tan model (Tan contains cobalt) can drill angle iron, thin iron sheet, drill wood, rubber, plastic, and bamboo.

The genuine HSS-M35-co 5% cobalt-containing fully ground straight shank twist drill, the uncommon appearance of the roasted jute twist drill is fake, good quality, high hardness, hardness can reach 64-68 degrees, suitable for 1-10mm Stainless steel, die steel within the drill blade length, I-beam, ordinary steel, angle iron, aluminum, copper, wood and other materials are sharp, safe and durable for drilling.

Precautions: Twist drills are hard and brittle. If they swing too much when drilling, there will be a risk of fracture. Please pay attention to safety. When drilling thickened steel products such as stainless steel, you can add water or coolant while drilling to reduce the drilling process. The high temperature generated in the damage to the drill bit

Specifications:

13-piece set: 1.5mm 2.0mm 2.5mm 3.0mm 3.2mm3.5mm

4.0mm 4.5mm 4.8mm 5.0mm 5.5mm 6.0mm 6.5mm DIY Supplies:Woodworking Type:Twist Drill Bit Origin:CN(Origin) length:30-120mm Use:Wood Drilling Model Number:Tan contains cobalt is_customized:Yes Material:High Speed Steel