99PCS/Set Twist Drill Bits Set, High Speed Steel Titanium-Plated Twist Drill Bits Steel Plate Drill Mixed Drill with Plastic Boxes

• 【HSS Titanium Coating】99Pcs/set twist drill made of premium material(high speed steel),titanium coated surface prevent rusting,which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life.
• 【Easy to Carry】You will receive a tool box except the 99pcs/set high speed steel titanium-plated twist drill,the tool box supplied in a plastic,easy storage and transportation.
• 【Tricuspid Design】Extremely sharp three-sided arc surface flute type may discharge chips from the hole on all sides quickly and leave a smooth finish surface without harming the wood. For wood carving,these are excellent tools.
• 【Meet Your Demands】 Great drill bits set for metal/wood/plastic countersink. Suitable for Home DIY, and General Building/Engineering Use.
• 【Note】:Manual measuring, please allow 1 ~ 5 mm error,thank you.

Product Name:99PCS/Set Twist Drill Material: high speed steel Specification and model: Material: High speed steel Handle type: Round handle Cooling type (internal cooling / external cooling): External cooling Cutting diameter (mm): 1.5-10/0.06''-0.39'' Shank diameter (mm:1.5-10/0.06''-0.39'' Length of chip holding groove (mm): 1.5-10/0.06''-0.39'' Total length (mm): 1.5-10/0.06''-0.39'' Top angle of outer edge (°): 118 Category: Straight shank fried dough twist drill Blade length: 1.5-10 (mm)/0.06''-0.39'' Handle diameter: 1.5-101.5-10 (mm)/0.06''-0.39'' Scope of application: hardwood, plastic, PVC, thin metal plate,etc.