HSS-E annular cutter with universal shank DNHC-5

HSS-E annular cutter with universal shank DNHC-5 System 1

HSS-E annular cutter with universal shank DNHC-5

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 10 pc

Supply Capability:: 5000 pc/month

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DNHC-5

D.O.C. 75mm
Unit：mm
◎Universal shank for various magentic drills
◎Made of super tough high speed steel with mulit-cut geometry for ply-cutting and lower feiction to reach better performance of endurance and removal of chips
◎Applicable to hole cutting and process of annular groove on various magnetic drills and press.

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Type	Size
DAHK-50180	18*75
DAHK-50190	19*75
……	……
DAHK-50500	50*75‍

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Q:How to change the drill bit of impact electric drill?: Install the drill bit: or the handstand impact drill, the left hand down to the plastic ring, the right hand with the drill, rotating around the insertion

Q:What kind of drill bits are used in glass drilling?: Drill glass is special glass drilling company is spent we can contact them about your 2 house: Nanchang Ma Beijing Chunhui division massive online check if you call them I want to go to the purchasing department.

Q:What is the maximum diameter of the drill bit 1500W heavy hammer: An electric rotary hammer drill with a safety clutch with a pneumatic hammer mechanism. Hammer is the use of compressed gas piston, impact drill bit, need not make much effort, can open 6--100mm in concrete, brick, stone and other hard materials on the hole hammer in the above-mentioned materials on the opening of high efficiency, but it is not a hole in the metal.

Q:Angle action and characteristics of standard twist drill: The back angle of the selected point on the main cutting edge of the twist angle alpha Om is expressed by the feed back angle alpha Om in the point column section. The column section is the point m of the main cutting edge, a line parallel to the axis of the drill, and the cylindrical surface formed by the rotation of the line around the center of the bit. The alpha Om changes along the main cutting edge, and the closer to the center, the greater the alpha Om. The back angle of the outer edge of the twist drill is usually 8 to 10 degrees, and the back angle of the transverse blade is 20 to 25 degrees. This can compensate for the influence of the angle of the main cutting edge on the actual working angle of the main cutting edge due to the axial feed motion of the bit, and can adapt to the change of the front angle.

Q:What drill holes are used in stainless steel basins?: The cutting fluid is concentrated with emulsion. Stainless steel is not a high hardness, is a stronger toughness, while processing with some cooling oil drilling.

Q:What are the weight specifications of the drill pile when the bridge pile foundation is constructed?: Impact drilling in two main forms, one for earth or soft rock using tubular hammer, one for hard rock is solid hammer, the general hammer is about 4-5t, if you want to increase, you can hammer on the steel bar plus counterweight.

Q:What drills are used in stainless steel drilling?: We can also use stainless steel chip breaker, S carbide drill, four bit drill bit and indexable carbide drill.

Q:What are the tools, drills, and any of the machine tools made of?: According to the material: steel knife (carbon tool steel, alloy) alloy knife, ceramic knife, knife and other boron nitride.In the form of the structure: Forged knife knife, knife clip, welding machine.According to the use of points: cylindrical knife, round knife, thread knife, knife, left and right knife, arc knife

Q:What drill is drilled after quenching?: Carbide coated tools can handle around HRC50 of materials, such as Mount Vickers 840, and material 1220.

Q:How long the hand-held electric hammer drill: Hard alloy electric hammer drill body made of high quality alloy steel, the knife head is welded with hard alloy.

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