HSS SMART STEP stepped twist drill bit assortment 3 pcs - DRL-STEP-SORT-SMARTSTEP-(D4-30MM)

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HSS SMART STEP stepped twist drill bit assortment 3 pcs - DRL-STEP-SORT-SMARTSTEP-(D4-30MM) - 1

HSS SMART STEP stepped twist drill bit assortment 3 pcs - DRL-STEP-SORT-SMARTSTEP-(D4-30MM) - 2

HSS SMART STEP stepped twist drill bit assortment 3 pcs - DRL-STEP-SORT-SMARTSTEP-(D4-30MM) - 3

HSS SMART STEP stepped twist drill bit assortment 3 pcs

Name: HSS SMART STEP stepped twist drill bit assortment 3 pcs
Brand: Würth
SKU: 0694450003

Stepped drill bit HSS SMART STEP 3 pcs Syska
DRL-STEP-SORT-SMARTSTEP-(D4-30MM)
ZEBRA SMART STEP

Art.-no. 0694450003

EAN 4065746565509

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HSS SMART STEP stepped twist drill bit assortment 3 pcs

Art.-no. 0694450003

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x 1 pcs

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Stepped drill bit with unique SMART STEP technology and dynamically curved rake between the individual step transitions for extremely fast and comfortable use in all common materials with a material thickness of up to 3.5 mm.

Dynamically curved rake between each step transition

Significantly longer service life compared to conventional stepped drill bits

Significantly faster drilling compared to conventional stepped drill bits

Little effort required

Quiet, perfectly controlled drilling process

Greatly reduced formation of burrs

SMART STEP technology

Up to 3x faster drilling compared to conventional stepped drill bits

Precision drilling without centring or centre punching

No warping of sheet metal

Easy to drill holes or enlarge an existing drill hole

No rattling or catching in the material

Precise, circular drilling without tearing or splintering

Deep ground spiral groove

Excellent chip removal

3-flat shank

No spinning in the drill chuck: faster, more comfortable working

Optimal power transmission

Protects the drill chuck from damage

Little effort required to open and close the drill chuck

Suitable for the ORSY^® system, the compact and practical system cassette features useful details such as stackability, an optimised joint and simple opening

Available exclusively from Würth

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Application area

The ideal tool for machining sheet metal.

Centring, spot drilling, boring and deburring of sheet metal, tubes and profiles in one operation, for use on both hand drills and stationary equipment.

Ideal for use in the electrical trade, plumbing and heating systems, automotive workshops, mechanical engineering, switch cabinet manufacturing or container and equipment engineering.

Instructions

Ensure that there is sufficient coolant/lubricant

Observe the rotation speed table

Do not push during drilling out. The stepped drill bit automatically retracts into the sheet metal

Number of pieces in assortment/set	3 PCS
Shank style	3-face shank
Surface	Uncoated

Art. no.	Number of steps	Diameter of the drilling area [mm]
694450412	9	4.0/5.0/6.0/7.0/8.0/9.0/10.0/11.0/12.0
694450420	9	4.0/6.0/8.0/10.0/12.0/14.0/16.0/18.0/20.0
694450630	13	6.0/8.0/10.0/12.0/14.0/16.0/18.0/20.0/22.0/24.0/26.0/28.0/30.0

Cutting values
For dia. 4.0-12.0 and dia. 4.0-20.0
Material designation	Tensile strength	v_c	n
			Dia. 4.0-12.0 art.		Dia. 4.0-20.0 art.
			Drilling (1st drilling step)	to	Drilling (1st drilling step)	to
Steels
General structural steels	≤ 700 N/mm²	26	2000	700	2000	400
Unalloyed quenched and tempered steels	≤ 700 N/mm²	26	2000	700	2000	400
Unalloyed quenched and tempered steels	≤ 900 N/mm²	23	1800	600	1800	360
Low-alloy quenched and tempered steels	≤ 700 N/mm²	26	2000	700	2000	400
Low-alloy quenched and tempered steels	≤ 900 N/mm²	23	1800	600	1800	360
Alloyed quenched and tempered steel	≤ 1,300 N/mm²	20	1600	530	1600	320
Nitriding steels	≤ 1,300 N/mm²	20	1600	530	1600	320
Tool steels	≤ 1,300 N/mm²	20	1600	530	1600	320
High-speed steels	≤ 1,300 N/mm²	20	1600	530	1600	320
Cast metals
Cast iron	≤ 350 HB	18	1400	470	1400	280
Spheroidal graphite and malleable iron	≤ 350 HB	18	1400	470	1400	280
Non-ferrous metals
Aluminium	≤ 450 N/mm²	23	1800	600	1800	360
Aluminium alloys	≤ 450 N/mm²	23	1800	600	1800	360
Low-alloy copper	≤ 400 N/mm²	18	1400	470	1400	280
Short-chipping brass	≤ 850 N/mm²	23	1800	600	1800	360
Long-chipping brass	≤ 850 N/mm²	23	1800	600	1800	360
Plastics
Thermosetting plastics		18	1400	470	1400	280
Thermoplastic plastics		18	1400	470	1400	280

For dia. 6.0-30.0
Material designation	Tensile strength	v_c	n
			Dia. 6.0-30.0 art.
			Drilling (1st drilling step)	to
Steels
General structural steels	≤ 700 N/mm²	26	1350	280
Unalloyed quenched and tempered steels	≤ 700 N/mm²	26	1350	280
Unalloyed quenched and tempered steels	≤ 900 N/mm²	23	1200	240
Low-alloy quenched and tempered steels	≤ 700 N/mm²	26	1350	280
Low-alloy quenched and tempered steels	≤ 900 N/mm²	23	1200	240
Alloyed quenched and tempered steel	≤ 1,300 N/mm²	20	1050	210
Nitriding steels	≤ 1,300 N/mm²	20	1050	210
Tool steels	≤ 1,300 N/mm²	20	1050	210
High-speed steels	≤ 1,300 N/mm²	20	1050	210
Cast metals
Cast iron	≤ 350 HB	18	1000	190
Spheroidal graphite and malleable iron	≤ 350 HB	18	1000	190
Non-ferrous metals
Aluminium	≤ 450 N/mm²	23	1200	240
Aluminium alloys	≤ 450 N/mm²	23	1200	240
Low-alloy copper	≤ 400 N/mm²	18	1000	190
Short-chipping brass	≤ 850 N/mm²	23	1200	240
Long-chipping brass	≤ 850 N/mm²	23	1200	240
Plastics
Thermosetting plastics		18	1000	190
Thermoplastic plastics		18	1000	190

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.

HSS SMART STEP stepped twist drill bit assortment 3 pcs including:

1 x

HSS SMART STEP stepped twist drill bit

DRL-STEP-SPRL-SMARTSTEP-(D4-12MM)

ZEBRA SMART STEP

Art.-no. 0694450412

Description:

4-12 mm

Quantity: 1 x

1 x

HSS SMART STEP stepped twist drill bit

DRL-STEP-SPRL-SMARTSTEP-(D4-20MM)

ZEBRA SMART STEP

Art.-no. 0694450420

Description:

4-20 mm

Quantity: 1 x

1 x

HSS SMART STEP stepped twist drill bit

DRL-STEP-SPRL-SMARTSTEP-(D6-30MM)

ZEBRA SMART STEP

Art.-no. 0694450630

Description:

6-30 mm

Quantity: 1 x

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