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SMART STEP EU+ HSS twist drill bit DIN 338

Article No. 0624910950

Twist drill bit SMART STEP EU+ HSS DIN 338 DRL-TWST-MET-DIN338-HSS-SMARTSTEP-D9,5MM ZEBRA SMART STEP

€11.58 inc. VAT price per 1 PCS

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The original SMART STEP twist drill bit with patent-pending stepped drill bit tip geometry with extremely uneven pitch (from dia. 2.5 mm) for even faster, more comfortable drilling with unrivalled precision and service life

Extremely unequal pitch (EU+)

Up to 50 % longer service life
Significantly more comfortable drilling with less vibration, even less effort required and perfect tool guidance (up to 60 % less torque)
Up to 20 % lower energy consumption
Up to 15 % faster drilling progress

Precise, circular holes in a wide range of materials including wood, plastic and acrylic, without tearing or splintering

Extremely comfortable drilling

Precise spot drilling without running off-centre
Simple drilling or enlarging of an existing drill hole
Angled drilling possible
No rattling or catching, even in thin-walled material
Burr-free hole exit

Significantly faster drilling will less effort compared to conventional HSS twist drill bits

Ideal for drilling out rivets and stud bolts

The first twist drill bit to enable precise, hand-held drilling up to dia. 20 mm without pre-drilling; even enables precise holes up to dia. 26.5 mm without pre-drilling when used in a box column drill

Shank reduced to dia. 12.7 mm from > 13.0 mm drill bit diameter for use in all standard 3-jaw drill chucks

3-flat shank (from dia. 4 mm)

No spinning in the drill chuck: faster, more comfortable working
Optimal power transmission
Protects the drill chuck from damage
Minimal effort required to loosen and tighten the drill chuck

Available exclusively from WÜRTH

Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable

Notice

For blind holes, please note the extended drill tip (see dimension l3)!
The steps of the innovative point geometry drill gradually to achieve the required diameter. To achieve this, the chip is broken into small individual chips by several main cutting edges, thus ensuring optimal chip removal. The result is highly precise, circular drilling.
The use of several cutting edges at the same time enables very fast, comfortable working and a long service life.

Specification
Application
Technical Information
Documents

Extremely unequal pitch (EU+)

Up to 50 % longer service life
Significantly more comfortable drilling with less vibration, even less effort required and perfect tool guidance (up to 60 % less torque)
Up to 20 % lower energy consumption
Up to 15 % faster drilling progress

Precise, circular holes in a wide range of materials including wood, plastic and acrylic, without tearing or splintering

Extremely comfortable drilling

Precise spot drilling without running off-centre
Simple drilling or enlarging of an existing drill hole
Angled drilling possible
No rattling or catching, even in thin-walled material
Burr-free hole exit

Significantly faster drilling will less effort compared to conventional HSS twist drill bits

Ideal for drilling out rivets and stud bolts

Shank reduced to dia. 12.7 mm from > 13.0 mm drill bit diameter for use in all standard 3-jaw drill chucks

3-flat shank (from dia. 4 mm)

No spinning in the drill chuck: faster, more comfortable working
Optimal power transmission
Protects the drill chuck from damage
Minimal effort required to loosen and tighten the drill chuck

Available exclusively from WÜRTH

Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable

Notice

For blind holes, please note the extended drill tip (see dimension l3)!
The steps of the innovative point geometry drill gradually to achieve the required diameter. To achieve this, the chip is broken into small individual chips by several main cutting edges, thus ensuring optimal chip removal. The result is highly precise, circular drilling.
The use of several cutting edges at the same time enables very fast, comfortable working and a long service life.

Application area

Ideal for use in cordless drills as well as on hand-held, box column and pillar drills

For use in steel up to 1,000 N/mm², cast iron, aluminium, copper, brass, bronze, hard and soft wood, plastic (e.g. acrylic glass, HPL, screen printing plates) and composite materials (e.g. plastic profiles with steel core)

High drill hole quality and significantly longer service life compared to conventional twist wood drill bits.

Perfect for rivet holes, drilling out stud bolts, drilling sheet metal and thin-walled profile materials (e.g. aluminium/window profiles) and for drilling on round and sloping surfaces, such as pipes.

Ideal for high-precision, comfortable and fast working in solid materials (e.g. in steel with strength of up to 1,000 N/mm², aluminium and plastics).

Ideal for large drill hole diameters

Products specifications

Suitable for machine type	Drill, Cordless screwdrivers, Pedestal drilling machine
Material to be processed	Steel, Cast iron, Non-ferrous metal, Wood, Hardwood
Quality	ZEBRA-Premium
Standard / drilling depth	DIN 338 / 5xD
Diameter (Ø)	9.5 mm
Length (l1)	125 mm
Chip flute length (l2)	81 mm
Drill tip length (l3)	11.1 mm
Shank diameter	9.5 mm
Shank style	3-face shank
Surface	Multiple refined
Cutting material	HSS
Service life (points system)	3 of 4 points
Drilling speed (point system)	4 of 4 points
Bore hole quality (point system) ( )	4 of 4 points
Versatility (points system)	3 of 4 points
Drilling behaviour (point system)	4 of 4 points
Suitable for drill (points system)	4 of 4 points
Suitable for cordless drills (points system)	4 of 4 points
Suitable for upright drilling machine (points system)	4 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	1000 N/mm²
Material of sub-group	General structural steels, Non-alloyed tempering steels, Cast iron, Ductile iron, Malleable cast iron, Magnesium alloys, Copper, low-alloyed, Brass, short-chipping, Brass, long-chipping, Plastics, thermoset, Plastics, thermoplastic

Würth Catalogue (2)

Flip Book

Catalogue page as PDF 1

Products specifications

Suitable for machine type	Drill, Cordless screwdrivers, Pedestal drilling machine
Material to be processed	Steel, Cast iron, Non-ferrous metal, Wood, Hardwood
Quality	ZEBRA-Premium
Standard / drilling depth	DIN 338 / 5xD
Diameter (Ø)	9.5 mm
Length (l1)	125 mm
Chip flute length (l2)	81 mm
Drill tip length (l3)	11.1 mm
Shank diameter	9.5 mm
Shank style	3-face shank
Surface	Multiple refined
Cutting material	HSS
Service life (points system)	3 of 4 points
Drilling speed (point system)	4 of 4 points
Bore hole quality (point system) ( )	4 of 4 points
Versatility (points system)	3 of 4 points
Drilling behaviour (point system)	4 of 4 points
Suitable for drill (points system)	4 of 4 points
Suitable for cordless drills (points system)	4 of 4 points
Suitable for upright drilling machine (points system)	4 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	1000 N/mm²
Material of sub-group	General structural steels, Non-alloyed tempering steels, Cast iron, Ductile iron, Malleable cast iron, Magnesium alloys, Copper, low-alloyed, Brass, short-chipping, Brass, long-chipping, Plastics, thermoset, Plastics, thermoplastic