1. HSS 4241 with titanium coating for strength and longevity
2. This set of step drill bits are durable and not easily broken
3. Two-Flute Design for smoother cutting
4. Triangle shank make more stable clamping
5. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc

Features
High hardness, wear-resistant, accurate positioning, good chip removal, and high efficiency.
Applicable
stainless steel, mold steel, aluminum alloy, cast iron, copper, and galvanized pipes, etc.

1, Splus standard carbide tipped.
2, SDS-plus shank under Bosch audited to fit branded rotary hammers.
3, l type of flute maximizes the dust-rejection rate in faster drilling.
4, Special hardened steel blank guaratees that best durability to unify the carbide drilir
5, Fast spiral flute angle design to increase drilling efficiency in building material.
6, Vacuum soldering holds the best welding strength of those heavy duty drilling.
7, PGM certificated quality support to the high drilling work demands.

1.Can be used with a standard electric drill ( Excluding in this item )
2.Start your hole diagonally, make a round trace and then hold drill straight
3.Perfect for removing a complete circle from glass, tiles, marble, granite, ceramic or other materials
4.The product is installed on a professional drill or electric drill, bench drill. you must add water cooling holes during operation.
5.Frequently use water for lubrication or the diamond core drill will burn
6.This product uses advanced natural diamond material, with a special enhanced coagulation treatment from electroplating sand suction hole neat, smooth, no broken edges, etc., is the efficient construction, installation hole of choice.

1. Expert quality, manufactured from 45#special carbon steel hardened and tempered.
2. Full length heat treatment guards against bending bit in heavy-duty applications.
3. Precision ground central point with optimised design for faster cutting performance.
4. Double cutting spurs scribe the outside of the hole reducing breakout.
5. Chisel edge desiqn is more positively angled and diqs into the wood. Features
6. Quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks and Extension. including impact drills.
7.Designed to perform fast, clean cuts, will bore all types of timber and are equally efficient when drilling with or against the
grain.
8. Hang hole allows for bit storage & wire pulling.

1.Made from high quality, hardened carbon steel for added durability;

2.Brad point tip provides accurate positioning for starting the hole;

3.Spur cutting edges reduce splintering and ensure a smooth, clean hole;

4.Wide, smooth flutes give quick ejecting of wood chips;

5.Round shank is designed for use in power drills, drill presses, and boring machines;

6.Bit is precision ground for use in furniture making, doweling, cabinetry, and other woodworking applications where an exact hole size is required.

Designed for drilling in steel materials (including stainless steel), non-ferrous metals and plastic.
Hole diameter: 4 to 32 mm.
Number of steps: 15, does not require additional training (drill core), leaves no burrs.
The spiral-shaped fitting facilitates drilling in metal.
HSS 4241 tool steel with a hardness of 62-64 HRC.
The hexagonal shank prevents slipping in the chuck.
Compatible with removable adapters.
Suitable for use with various types of drills.

1.Used for drilling pilot holes in masonry including concrete, block, brick,Ceramic Tile, Bricks, Granite, Stones.
2.Engineered to seamlessly work with tapcon concrete screw anchors ensuring an accurate fit.For use with masonry fastening
systems/hex sleeve drive tools.
3.Hardened, premium carbide insert tip is strong and stays sharp longer for finer material break up and easier drilling.
4.Tight bit tolerance provides maximum anchor performance.
5.4-flute design for fast dust removal and adds more durability.
6.Hex drive on bit fits into driver sleeve.

1.Diamond core drill is used for wet drilling on a full range of materials from Reinforced Concrete, Asphalt, Block, Pavement, Brick, etc.
2.Provides the best cutting performance and can drill through the toughest 1-3/8" granite or engineered stone countertop at the job site without using water
3.The diamond drill can be used wet or dry, wet using will greatly prolong the segment life, fit on a high-speed angle grinder

1. Hang hole allows for bit storage & wire pulling.
2. Full-length heat treatment guards against bending bit in heavy-duty applications.
3. Precision ground central point with optimized design for faster cutting performance.
4. Hex shank provides better chuck grip and reduces slippage.
5. Designed to perform fast, clean cuts, will bore all types of timber and are equally efficient when drilling with or against
6. Expert quality, manufactured from 45#special carbon steel hardened and tempered.

1.Solid center design provides extra rigidity while boring
2.Wide lands keep the bit straight as it bores through the hole.
3.The flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter, producing a faster, cleaner cut
4.Single-spur cutting edge scribes the circumference of the hole for a smoother finish
5.Coarse screw point provides fast boring in hard and soft woods
6.Unique cutting edge design for fast and smooth cutting action
7.Better access to tight spaces between studs and joists

1.HSS Step Drill Bit is H.S.S material with a robust triangle shank.
2.The sizes are from 4mm to 32mm, and it is a titanium-coated finish, and with a laser marking number on the product.
3.It has to be sharp no burring, chips remove slot and wear resistance cutting design.
4.And with drilling diameter and laser marking on the product, it is easy to tell and can work for a longer time.
5.With self-centering and 118 degrees X type drilling design, it is easy in drilling, and not easy to slip.
6.With a general triangle shank, it is non-slip, durable, and long-time working. It is better clamped on the pistol drill to prevent slippage and shedding during the rotation.
7.It is Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron sheet, and many other types of sheet metal (excluding steel or any other harder metal