Centre drill bit, SC DIN 333, shape A - DRL-CENT-MET-DIN333A-SC-D1,0MM

Centre drill bit, SC DIN 333, shape A

Name: Centre drill bit, SC DIN 333, shape A
Brand: Würth
SKU: 5443002732

Centre drill solid carbide DIN 333 shape A type RN
DRL-CENT-MET-DIN333A-SC-D1,0MM

Art.-no. 5443002732

EAN 4055375893685

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Centre drill bit, SC DIN 333, shape A

Art.-no. 5443002732

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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).

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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)	1 mm
Shank style	Cylindrical
Length (l1)	31.5 mm
Shank diameter (d2)	3.15 mm
Diameter workpiece min./max.	4-8 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	v_c		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
General structural steels	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
Carbon steels	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
Alloyed heat-treated steels	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
Alloyed case-hardening steels	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
Nitriding steels	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
Stainless steels, austenitic	< 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
Cast iron	> 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
Nodular graphite, malleable iron	> 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
Bronze, short-chipping	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
Bronze, long-chipping	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
v_c = cutting speed [m/min]
f = feed [mm/r]
The suggested cutting values are reference values and must be adapted to the respective conditions.