HSS annular cutter

Name: HSS annular cutter
Brand: Würth
SKU: 0630930190

HSS core drill bit
CREDRL-MET-HSS-DRLDP30MM-D19MM

Art.-no. 0630930190

EAN 4038898425373

All versions

Specification

Standard annular cutter made from HSS for drilling large through-holes up to 50 mm in diameter with mobile magnetic or stationary drills in conventional steels up to 850 N/mm², wood and non-ferrous metals, such as aluminium, aluminium alloys and plastics.

High performance and rapid drilling progress with a long service life

In contrast to solid drilling, only a thin metal ring is cut. The drill core is ejected by an ejector pin.

No pre-drilling required, no formation of burrs

No pre- or post-processing required

Optimised cutting geometry

Long service life compared to many standard core drill bits

Clean drill profile

Drill hole with precise tolerances

Precise guidance, no slipping

Suitable for overlap drilling. Problem-free drilling on curved surfaces and pipes.

Notice

Unlike twist drill bits, the annular cutter only machines a thin ring of material rather than the complete bore diameter. The drilling core is removed using a pilot pin with spring power, which is not included in the scope of delivery. Annular cutters therefore offer a drilling time that is 10 times faster than twist drills bits.

Sufficient continuous cooling during the entire drilling process considerably increases the service life of the annular cutter. Do not use dry.

Not suitable for press chipboard, titanium or heat-resistant and high-alloy steels

For materials and cutting value parameters, see the summary overview tables

Wear appropriate protective equipment, such as eye protection, hearing protection devices and protective gloves

Take off loose clothing or jewellery which could get caught in the moving parts

Annular cutters must not be used with hand-held tools

Before use, ensure perfect concentricity and the correct clamping function of the tool drive

Application area

Application

Application area

With Weldon shank ∅ 19 mm for use on mobile magnetic drills or stationary drills for creating large holes with a diameter of up to 50 mm and a cutting depth of 30 mm or 50 mm

Fein drills with QuickIn mount can be used with an adapter

Application on stationary drills with Morse taper is possible using the appropriate mount holder

Instructions

Insert the ejector pin into the core drill bit

Push the core drill bit into the mount holder of the drill unit and tighten the hexagon socket screws

The core drill bit is automatically locked into place when using quick-action mounts

Make sure the core drill bit is sitting cleanly in the mount

Putting the drill under lateral load during use may cause the tool to break

Fix the drill unit into the right position for drilling — make sure the drill unit has a stable footing

If necessary, secure the drill unit before drilling using a safety strap, especially for use on vertical surfaces and overhead work

Pay attention to the speed table and use coolant

Drill carefully (without centre punching and pre-drilling), pay attention to an even feed and even rotation speed throughout the entire drilling process

Remove chips and drill core after each drilling operation

Caution: Risk of injury, chips and drill core may be very hot and sharp

Technical information

Quality	Würth-Standard
Cutting depth	30 mm
Diameter	19 mm
Length	64.2 mm
Material to be processed	Steel, Aluminium, Wood
Shank style	Weldon
Surface	Plain
Cutting material	HSS
Service life (points system)	2 of 4 points
Drilling speed (point system)	3 of 4 points
Bore hole quality (point system)	4 of 4 points
Versatility (points system)	2 of 4 points
Drilling behaviour (point system)	3 of 4 points

Key
v_c = cutting speed [m/min]
n = rotation speed [rpm]
The suggested cutting values are reference values and must be adapted to the respective conditions.

For dia. 12.0-20.0
Material designation	Tensile strength			from dia. 12.0		from dia. 16.0		from dia. 20.0
		v_c		n		n		n
		from	to	from	to	from	to	from	to
Steels
General structural steels	≤ 850 N/mm²	15	20	398	531	298	398	239	318
Unalloyed heat-treated steels	≤ 850 N/mm²	15	20	398	531	298	398	239	318
Low-alloy heat-treated steels	≤ 850 N/mm²	15	20	398	531	298	398	239	318
Unalloyed heat-treated steels	≤ 1,000 N/mm²	10	13	265	345	199	259	159	207
Low-alloy heat-treated steels	≤ 1,000 N/mm²	10	13	265	345	199	259	159	207
Cast metals
Cast iron	≤ 240 HB	20	25	531	663	398	497	318	398
Nodular graphite and malleable iron	≤ 240 HB	20	25	531	663	398	497	318	398
Non-ferrous metals
Aluminium	≤ 450	20	25	531	663	398	497	318	398
Aluminium alloys	≤ 450	20	25	531	663	398	497	318	398
Wrought aluminium alloys	≤ 400	20	25	531	663	398	497	318	398
Aluminium cast alloys <= 10 % Si	≤ 600	20	25	531	663	398	497	318	398
Magnesium alloys	≤ 400	20	25	531	663	398	497	318	398
Low-alloy copper	≤ 400	20	25	531	663	398	497	318	398
Short-chipping brass	≤ 850	15	20	398	531	298	398	239	318
Long-chipping brass	≤ 850	15	20	398	531	298	398	239	318
Short-chipping bronze	≤ 850	15	20	398	531	298	398	239	318
Plastics
Thermosetting plastics		20	25	531	663	398	497	318	398
Thermoplastics		20	25	531	663	398	497	318	398

For dia. 36.0-50.0
Material designation	Tensile strength			from dia. 36.0		from dia. 40.0		from dia. 50.0
		v_c		n		n		n
		from	to	from	to	from	to	from	to
Steels
General structural steels	≤ 850 N/mm²	15	20	133	177	119	159	95	127
Unalloyed heat-treated steels	≤ 850 N/mm²	15	20	133	177	119	159	95	127
Low-alloy heat-treated steels	≤ 850 N/mm²	15	20	133	177	119	159	95	127
Unalloyed heat-treated steels	≤ 1,000 N/mm²	10	13	88	115	80	103	64	83
Low-alloy heat-treated steels	≤ 1,000 N/mm²	10	13	88	115	80	103	64	83
Cast metals
Cast iron	≤ 240 HB	20	25	177	221	159	199	127	159
Nodular graphite and malleable iron	≤ 240 HB	20	25	177	221	159	199	127	159
Non-ferrous metals
Aluminium	≤ 450	20	25	177	221	159	199	127	159
Aluminium alloys	≤ 450	20	25	177	221	159	199	127	159
Wrought aluminium alloys	≤ 400	20	25	177	221	159	199	127	159
Aluminium cast alloys <= 10 % Si	≤ 600	20	25	177	221	159	199	127	159
Magnesium alloys	≤ 400	20	25	177	221	159	199	127	159
Low-alloy copper	≤ 400	20	25	177	221	159	199	127	159
Short-chipping brass	≤ 850	15	20	133	177	119	159	95	127
Long-chipping brass	≤ 850	15	20	133	177	119	159	95	127
Short-chipping bronze	≤ 850	15	20	133	177	119	159	95	127
Plastics
Thermosetting plastics		20	25	177	221	159	199	127	159
Thermoplastics		20	25	177	221	159	199	127	159

For dia. 24.0-32.0
Material designation	Tensile strength			from dia. 24.0		from dia. 28.0		from dia. 32.0
		v_c		n		n		n
		from	to	from	to	from	to	from	to
Steels
General structural steels	≤ 850 N/mm²	15	20	199	265	171	227	149	199
Unalloyed heat-treated steels	≤ 850 N/mm²	15	20	199	265	171	227	149	199
Low-alloy heat-treated steels	≤ 850 N/mm²	15	20	199	265	171	227	149	199
Unalloyed heat-treated steels	≤ 1,000 N/mm²	10	13	133	172	114	148	99	129
Low-alloy heat-treated steels	≤ 1,000 N/mm²	10	13	133	172	114	148	99	129
Cast metals
Cast iron	≤ 240 HB	20	25	265	332	227	284	199	249
Nodular graphite and malleable iron	≤ 240 HB	20	25	265	332	227	284	199	249
Non-ferrous metals
Aluminium	≤ 450	20	25	265	332	227	284	199	249
Aluminium alloys	≤ 450	20	25	265	332	227	284	199	249
Wrought aluminium alloys	≤ 400	20	25	265	332	227	284	199	249
Aluminium cast alloys <= 10 % Si	≤ 600	20	25	265	332	227	284	199	249
Magnesium alloys	≤ 400	20	25	265	332	227	284	199	249
Low-alloy copper	≤ 400	20	25	265	332	227	284	199	249
Short-chipping brass	≤ 850	15	20	199	265	171	227	149	199
Long-chipping brass	≤ 850	15	20	199	265	171	227	149	199
Short-chipping bronze	≤ 850	15	20	199	265	171	227	149	199
Plastics
Thermosetting plastics		20	25	265	332	227	284	199	249
Thermoplastics		20	25	265	332	227	284	199	249

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Ejector pin For metal annular cutters

EJCTRPIN-CREDRL-F.0630930XXX

Art.-no. 0630930001

x 1 pcs

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