Metric 230 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 1mm up to 10mm, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage

PREMIUM MATERIAL: Manufactured from 4241 high speed steel for strength and durability STORAGE: Supplied in a plastic storage box for easy storage and transportation WIDELY USED: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure, the drill kit meets all your requirements, ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass PROCESS TREATMENT: 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 SIZE INCLUDES: 32 pcs 1mm, 30 pcs 15mm, 30 pcs 2mm, 30 pcs 25mm, 20 pcs 3mm, 20 pcs 35mm, 12 pcs 4mm, 12 pcs 45mm, 12 pcs 5mm, 8 pcs 5mm, 4 pcs 6mm, 6 pcs 65mm, 4 pcs 7mm, 2 pcs 75mm, 3 pcs 8mm, 2 pcs 85mm, 1 pcs 9mm, 1 pcs 95mm, 1 pcs 10mm