Twist drill bit HSS DIN 338 type RW

Name: Twist drill bit HSS DIN 338 type RW
Brand: Würth
SKU: 0624110750

Twist drill HSS DIN 338 type RW
DRL-TWST-MET-DIN338-HSS-RW-D7,5
ZEBRA

Art.-no. 0624110750

EAN 4052712049484

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Price for selected packaging unit

Twist drill bit HSS DIN 338 type RW

Art.-no. 0624110750

Price for selected packaging unit

Quantity

x 10 pcs

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Aluminium professional drill for precision drilling in soft and long-chipping materials with a strength up to 600 N/mm² (e.g. aluminium and aluminium alloys ≤ 10% Si, zinc, copper, thermosetting plastics).

Precise drilling

The stable twist drill bit in short design ensures precise drilling

Self-centring

The split point ensures excellent centring effect even on round materials, eliminating the need for centre-punching or piloting

Long service life

HC (high-speed cutting) finish and the associated precise rake ensure consistent drill hole quality while ensuring a high degree of precision and a long service life

Excellent chip removal

The plain spiral groove ensures excellent chip removal from the drill hole

Product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified^® Bronze

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Suitable for machine type	Drill Cordless screwdrivers Pedestal drilling machine
Material to be processed	Non-ferrous metal
Quality	ZEBRA-Premium
Standard / drilling depth	DIN 338 / 5xD
Diameter (Ø)	7.5 mm
Length (l1)	109 mm
Chip flute length (l2)	69 mm
Shank diameter	7.5 mm
Shank style	Cylindrical
Surface	Plain
Cutting material	HSS
Type	RW
Angle of the tip	130 Degree
Service life (points system)	4 of 4 points
Drilling speed (point system)	4 of 4 points
Bore hole quality (point system) ( )	4 of 4 points
Versatility (points system)	1 of 4 points
Drilling behaviour (point system)	4 of 4 points
Suitable for drill (points system)	3 of 4 points
Suitable for cordless drills (points system)	3 of 4 points
Suitable for upright drilling machine (points system)	3 of 4 points
Suitable for milling-drilling centre (points system)	2 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	600 N/mm²
Material of sub-group	Aluminium Aluminium alloys Aluminium wrought alloys Aluminium casting alloys (<10% silicon) Copper, low-alloyed Plastics, thermoset

Cutting values
For dia. 1.0-2.5
Material designation	Tensile strength			from dia. 1.0			from dia. 2.0			from dia. 2.5
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Non-ferrous metals
Aluminium	≤ 600 N/mm²	50	70	15915	22282	0,018	7958	11141	0,063	6366	8913	0,080
Plastics
Plastics	≤ 200 N/mm²	20	40	6366	12732	0,016	3183	6366	0,050	2546	5093	0,063

For dia. 3.15-5.0
Material designation	Tensile strength			from dia. 3.15			from dia. 4.0			from dia. 5.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Non-ferrous metals
Aluminium	≤ 600 N/mm²	50	70	5053	7074	0,100	3979	5570	0,125	3183	4456	0,125
Plastics
Plastics	≤ 200 N/mm²	20	40	2021	4042	0,080	1592	3183	0,100	1273	2546	0,100

For dia. 6.3-10.0
Material designation	Tensile strength			from dia. 6.3			from dia. 8.0			from dia. 10.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Non-ferrous metals
Aluminium	≤ 600 N/mm²	50	70	2526	3537	0,160	1989	2785	0,200	1592	2228	0,250
Plastics
Plastics	≤ 200 N/mm²	20	40	1011	2021	0,125	796	1592	0,160	637	1273	0,200

For dia. 12.5-16.0
Material designation	Tensile strength			from dia. 12.5			from dia. 16.0
		v_c		n		f	n		f
		from	to	from	to		from	to
Non-ferrous metals
Aluminium	≤ 600 N/mm²	50	70	1273	1783	0,250	995	1393	0,315
Plastics
Plastics	≤ 200 N/mm²	20	40	509	1019	0,200	398	796	0,250

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

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