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Centre drill bit, SC DIN 333, shape A - DRL-CENT-MET-DIN333A-SC-D0,8MM Centre drill bit, SC DIN 333, shape A - DRL-CENT-MET-DIN333A-SC-D0,8MM
Centre drill bit, SC DIN 333, shape A - DRL-CENT-MET-DIN333A-SC-D0,8MM - 1
Centre drill bit, SC DIN 333, shape A - DRL-CENT-MET-DIN333A-SC-D0,8MM - 2

Centre drill bit, SC DIN 333, shape A

Centre drill solid carbide DIN 333 shape A type RN
DRL-CENT-MET-DIN333A-SC-D0,8MM

Art.-no. 5443002731
EAN 4055375893678
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Centre drill bit, SC DIN 333, shape A

Art.-no. 5443002731

Price for selected packaging unit
Quantity
PU
x 1 pcs

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Centre drill bit for producing centring holes according to DIN 332 Sheet 1, shape A (without protection countersink).
Product information

Würth Catalogue

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Product code

6525

Material to be processed

Steel, Cast metal, Stainless steel, Copper, Brass, Plastic

Standards

DIN 333

Form

A

Countersink angle

60 Degree

Surface

Plain

Cutting material

SC

Number of cutting edges

2 PCS

Diameter (d1)

0.8 mm

Shank style

Cylindrical

Length (l1)

25 mm

Shank diameter (d2)

3.15 mm

Diameter workpiece min./max.

4-6 mm

Tolerance of cutting edge diameter

k13

Tolerance of shank diameter

h7

Material of sub-group

General structural steels, Non-alloyed tempering steels < 1000 N/mm², Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm², Copper, Brass, Aluminium, Plastics

Cutting values for solid carbide drill bits, uncoated
For dia. 0.8 to dia. 5
Material designation Tensile strength Cooling vc f
from to Dia. 0.8-0.9 Dia. 1-1.9 Dia. 2-2.9 Dia. 3-5
General structural steels < 500 N/mm² E 60 75 0,020 0,040 0,060 0,100
500-850 N/mm² E 60 75 0,020 0,040 0,060 0,100
Carbon steels < 850 N/mm² E 60 75 0,020 0,040 0,060 0,100
850-1000 N/mm² E 55 65 0,020 0,040 0,060 0,100
Unalloyed heat-treated steels < 700 N/mm² E 60 75 0,020 0,040 0,060 0,100
700-850 N/mm² E 60 75 0,020 0,040 0,060 0,100
850-1000 N/mm² E 55 65 0,010 0,030 0,050 0,090
Alloyed heat-treated steels 850-1000 N/mm² E 55 65 0,010 0,030 0,050 0,090
1000-1200 N/mm² E 50 60 0,010 0,030 0,050 0,090
Unalloyed case-hardening steels < 750 N/mm² E 60 75 0,010 0,030 0,050 0,090
Alloyed case-hardening steels < 1000 N/mm² E 55 65 0,010 0,030 0,050 0,090
1000-1200 N/mm² E 50 60 0,010 0,030 0,050 0,090
Nitriding steels < 1000 N/mm² E 55 65 0,010 0,030 0,050 0,080
1000-1200 N/mm² E 50 60 0,010 0,030 0,050 0,080
Tool steels < 850 N/mm² E 55 65 0,010 0,030 0,050 0,080
850-1100 N/mm² E 50 60 0,010 0,030 0,050 0,080
1100-1400 N/mm² E 30 40 0,010 0,030 0,050 0,080
High-speed steels 850-1200 N/mm² E 30 40 0,010 0,030 0,050 0,080
Wear-resistant constructional steel 1350 N/mm² E 20 35 0,010 0,030 0,050 0,080
Spring steels < 1200 N/mm² E 20 35 0,010 0,030 0,050 0,080
Stainless steels, sulphurated < 700 N/mm² E 30 40 0,010 0,030 0,050 0,090
Stainless steels, austenitic < 700 N/mm² E 30 40 0,010 0,030 0,050 0,090
< 850 N/mm² E 25 35 0,010 0,030 0,050 0,090
Stainless steels, martensitic < 1100 N/mm² E 25 35 0,010 0,030 0,050 0,090
Special alloys < 1200 N/mm² E 15 25 0,010 0,030 0,050 0,080
Cast iron < 180 HB T/E 70 100 0,010 0,030 0,050 0,090
> 180 HB T/E 70 100 0,010 0,030 0,050 0,090
Nodular graphite, malleable iron > 180 HB E 65 75 0,010 0,030 0,050 0,090
> 260 HB E 65 75 0,010 0,030 0,050 0,090
Aluminium, aluminium alloys < 530 N/mm² E 150 220 0,020 0,040 0,060 0,100
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Aluminium, cast aluminium alloys > 10 % Si < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Magnesium, magnesium alloys < 280 N/mm² E 150 220 0,020 0,040 0,060 0,100
Copper, low-alloy < 350 N/mm² E 100 180 0,020 0,040 0,060 0,100
Brass, short-chipping < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Brass, long-chipping < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
Bronze, short-chipping < 600 N/mm² E 100 180 0,020 0,040 0,060 0,100
650-850 N/mm² E 100 180 0,020 0,040 0,060 0,100
Bronze, long-chipping < 850 N/mm² E 90 140 0,010 0,030 0,050 0,090
850-1200 N/mm² E 90 140 0,010 0,030 0,050 0,090
Graphite T 70 100 0,010 0,030 0,050 0,090
Legend
E = emulsion
T = dry
vc = cutting speed [m/min]
f = feed [mm/r]
The suggested cutting values are reference values and must be adapted to the respective conditions.

Art.-no.
Cust. Mat. No.

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