Luckyway 1-Piece 15 steps HSS-CO(M35) 1/4 Inch to 1-3/8 Inch Titanium Step Drill Bit for Metal, Stai

Product Description

Luckyway 1 Piece 1/4 Inch to 1-3/8 Inch M35 High Speed Steel Titanium Step Drill Bit Set.

STEP DRILL STRUCTURE

★ M35-CO High Speed Steel Versatility

      --Our step drill is a combination of HSS-CO (M35) and industrial titanium coating to make them more durable. Easy continuous drilling on HRC40 steel plate without hardness.

★ Unique Double Flute Spiral Design

      --The two-groove spiral design also makes it easier to remove debris for more efficient drilling operations. There is a sense of pause at each step, so it can fit any size you want.

★ Universal Design

      --The 1/4 inch hex shank handle, universal for most brands of bit drive tools on the market.

★ Improve Cutting Efficiency

      --135° SPLIT POINT TIP: Allows you to cut faster throughout multiple uses,and prevent walking.

Features

• DIMENSIONS - 15 STEP SIZES: 1/4",5/16",3/8",7/16",1/2",9/16",5/8",3/4",7/8",15/16",1",1-1/8",1-3/16",1-1/4",1-3/8".
• APPLICATION - Capability and durability in drilling holes in plastic, aluminum, copper, stainless steel,HRC40 steel plate and many other types of sheet metal.★If used in 4mm stainless steel plate, can make more than 500 holes. ★It can be used to bore holes in steel plates up to HRC40.
• MATERIAL - HSS-CO(M35)for longer life, higher efficiency,very easy drilling.Service life: M35>M2>HSS4241
• FEATURES - 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking.
• TWO-FLUTE DESIGN: Clears chips faster and allows particles to escape easily.

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