Feature

●Material:：High Speed Steel(HSS) with Titanium Coated
●Self starting：no need for a pilot hole.Cobalt coated to reduce friction and run at cooler temperature.
●Spiral Design：3 Flute spiral blade design makes the cutting faster and smoother, and automatically deburred from the hole when the drill bit is drilled
●Application：Suitable to cut holes in a variety of material like iron plate, aluminum plate, insulation boards, PVC sheet, ect
●Package includes：1 x 6-65mm HSS Groove Step Drill (13 Steps:6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm)

[Silver（6-60mm）]

[Gold（6-65mm）]

Description

large HSS spiral groove step drill bit 10 sizes titanium high speed steel 1/4" to 1-3/8"

OCGIG 6-65mm Large HSS Spiral Groove Step Drill Titanium Coated Bit Hole Cutter

faster hole -drilling uncompromised quality

Product Parameters

Total Length:12.5cm/4.92inch

Diameter of the shank:1cm/0.39inch

Drill Blade Length:9mm/0.354inch

Bevel Height:3.6mm/0.142inch

Blade Length Per section:5mm/0.197mm

6-65mm: 13 Steps (6,10,15,20,25,30,35,40,45,50,55,60,65mm)

step drill bits saves trouble space Two-fluted design provides faster and smoother cutting

Widely Used & Attention

1.The rapid strike tip drills twice as fast as the average step drills and can drill acrylic, PVC, wood, aluminum and iron sheets up to 0.2 in thickness.

2.Note:High temperature will occur during work, and it is necessary to add parallel coolant to cool the drill bit.

multi-function triangular handle spiral groove step drill faluminum plate wood plastic material

Longer Service Life

Titanium alloy coating reduces friction and they are more durable than uncoated drill bits. HSS(High speed steel).

titanium plated spiral groove step drill triangular handle steel platedrill/reaming

Four Attractive Advantages

The step drill bits is High Hardness,High Quality,High Efficiency and High Reward.And it is made of high speed steel and titanium coating and has strong durability.

drilling larger and deeper hole enlarging the aperture in areas

Attractive&Practical Design

1.Tapered design is suitable for drilling larger and deeper holes, or enlarging the aperture in areas where it has been drilled.

2.Cutting blade design makes for cutting faster,automatic deburring from hole when drilling.

drop forged heat treated high speed steel fully polish automatically deburr holes

6-65mm Step Structure

This OCGIG drill bit can drill a wide range of apertures.And it can complete deburring, chamfering and rounding.

Longer Service Life

Four Attractive Advantages

Attractive&Practical Design

6-65mm Step Structure