ASSY^® 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head

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ASSY^® 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head

Full-thread screw made of high-quality austenitic A2 stainless steel with visually pleasing, rounded raised countersunk head for fastening metal to wood in outdoor areas exposed to the elements

Thread type: Wood screw thread
Thread design: Full thread
Thread form: Single start thread
Shape of tip: Tip with hilltop milling cutter
Head type: Raised countersunk head
Material: Stainless steel A2
Surface: Plain
Max. screw-in angle: 90 Degree

Suitable for use in the following materials: Wood, Derived timber product, Softwood, Board ply wood (BSP), Hardwood, LVL

Area of application: Façades, Terrace, Fence, Structural woodwork, Wet areas, Balcony, Board walk, Play equipment, Outdoors

RoHS-compliant: Yes

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Variants

You can refine your search by selecting different attributes
Select all Reset 3 mm 3.5 mm 4 mm 4.5 mm 5 mm Select all Reset 15 mm 16 mm 20 mm 25 mm 30 mm 35 mm 40 mm 45 mm 50 mm 60 mm Select all Reset 12 mm 13 mm 16 mm 17 mm 21 mm 22 mm 24 mm 25 mm 28 mm 29 mm 30 mm 33 mm 34 mm 35 mm 38 mm 42 mm 43 mm 44 mm 50 mm Select all Reset 2 mm 2.1 mm 2.5 mm 2.7 mm 3.2 mm
Art.-no.	Nominal diameter	Length	Thread length (lg)	Core diameter	Quantity	Attributes	PU	Price/PU *
018753016	3 mm	16 mm	13 mm	2 mm		Nominal diameter 3 mm Length 16 mm Thread length (lg) 13 mm Core diameter 2 mm	500 pcs
018753020	3 mm	20 mm	17 mm	2 mm		Nominal diameter 3 mm Length 20 mm Thread length (lg) 17 mm Core diameter 2 mm	500 pcs
018753515	3.5 mm	15 mm	12 mm	2.1 mm		Nominal diameter 3.5 mm Length 15 mm Thread length (lg) 12 mm Core diameter 2.1 mm	200 pcs
018753520	3.5 mm	20 mm	17 mm	2.1 mm		Nominal diameter 3.5 mm Length 20 mm Thread length (lg) 17 mm Core diameter 2.1 mm	200 pcs
018753525	3.5 mm	25 mm	22 mm	2.1 mm		Nominal diameter 3.5 mm Length 25 mm Thread length (lg) 22 mm Core diameter 2.1 mm	200 pcs
018753530	3.5 mm	30 mm	25 mm	2.1 mm		Nominal diameter 3.5 mm Length 30 mm Thread length (lg) 25 mm Core diameter 2.1 mm	200 pcs
018753535	3.5 mm	35 mm	30 mm	2.1 mm		Nominal diameter 3.5 mm Length 35 mm Thread length (lg) 30 mm Core diameter 2.1 mm	200 pcs
018753540	3.5 mm	40 mm	35 mm	2.1 mm		Nominal diameter 3.5 mm Length 40 mm Thread length (lg) 35 mm Core diameter 2.1 mm	200 pcs
018754020	4 mm	20 mm	16 mm	2.5 mm		Nominal diameter 4 mm Length 20 mm Thread length (lg) 16 mm Core diameter 2.5 mm	500 pcs
018754025	4 mm	25 mm	21 mm	2.5 mm		Nominal diameter 4 mm Length 25 mm Thread length (lg) 21 mm Core diameter 2.5 mm	500 pcs
018754030	4 mm	30 mm	24 mm	2.5 mm		Nominal diameter 4 mm Length 30 mm Thread length (lg) 24 mm Core diameter 2.5 mm	200 pcs
018754035	4 mm	35 mm	29 mm	2.5 mm		Nominal diameter 4 mm Length 35 mm Thread length (lg) 29 mm Core diameter 2.5 mm	200 pcs
018754040	4 mm	40 mm	34 mm	2.5 mm		Nominal diameter 4 mm Length 40 mm Thread length (lg) 34 mm Core diameter 2.5 mm	200 pcs
018754050	4 mm	50 mm	44 mm	2.5 mm		Nominal diameter 4 mm Length 50 mm Thread length (lg) 44 mm Core diameter 2.5 mm	500 pcs
018754535	4.5 mm	35 mm	28 mm	2.7 mm		Nominal diameter 4.5 mm Length 35 mm Thread length (lg) 28 mm Core diameter 2.7 mm	200 pcs
018754540	4.5 mm	40 mm	33 mm	2.7 mm		Nominal diameter 4.5 mm Length 40 mm Thread length (lg) 33 mm Core diameter 2.7 mm	200 pcs
018754545	4.5 mm	45 mm	38 mm	2.7 mm		Nominal diameter 4.5 mm Length 45 mm Thread length (lg) 38 mm Core diameter 2.7 mm	100 pcs
018754550	4.5 mm	50 mm	43 mm	2.7 mm		Nominal diameter 4.5 mm Length 50 mm Thread length (lg) 43 mm Core diameter 2.7 mm	250 pcs
018754560	4.5 mm	60 mm	50 mm	2.7 mm		Nominal diameter 4.5 mm Length 60 mm Thread length (lg) 50 mm Core diameter 2.7 mm	250 pcs
018755050	5 mm	50 mm	42 mm	3.2 mm		Nominal diameter 5 mm Length 50 mm Thread length (lg) 42 mm Core diameter 3.2 mm	250 pcs

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Description
Usage

Description

Ideal power transmission thanks to RW drive

More power due to larger contact area at the bit

More stability, one-handed working, precise positioning due to the tight-fit recess and perfect fit of the bit

Fewer bit changes, one bit for many screw diameters

Compatibility with previous AW drive

Form-fit connection of the 90° countersunk head to metal fittings with 90° countersinks or in wooden products with high bulk density

Visually appealing connections due to lens-shaped, rounded head

Pulling together without head milling due to lack of milling elements and head is inserted by pressing

Higher breaking torque

Higher power transmission in hardwoods due to reinforced, asymmetrical thread flank geometry of the single thread

Better anchoring thanks to higher thread flanks

Smooth thread start ensures optimised recessing and biting of the screw

Reduced splitting effect due to displacement effect of the dome-shaped milling elements in the tip

Friction-reduced thread rotation allows reduction of the screw-in force to be applied

Stainless mounting for accessible wood connections in outdoor areas exposed to weathering

Made of austenitic, non-magnetic and non-rusting A2 stainless steel

Can be used in rural or urban environments or industrial atmospheres without significant exposure to chlorides or SO₂

With friction-reducing slide coating for easy fastening

Notice

Austenitic stainless steel is characterised by a high degree of corrosion resistance against aggressive industrial air, sea air, tap water, river water, mine water and salt water, as well as woods containing tannic acid. It is resistant to acid to a certain extent and not suitable for atmospheres containing chlorine gas

We recommend using the Würth software or the corresponding design aids for planning and dimensioning your assembly. Use the Würth timber construction software for dimensioning of ASSY screws from a diameter of 5 mm

ASSY 4, ASSYplus 4 and ASSYplus 4 FT chipboard screws are optimised for use in wood and wood materials. For applications in plastic anchors where load capacity can also be reduced, use only screws without an optimised thread tip (tip with milling ribs, drill tip, self-clearing groove etc.), such as the ASSY D screws with countersunk head or pan head

ETA-11/0190 approved

The requirements of the European Technical Approval (ETA) must be observed

Usage

Application area

For steel-wood connections designed for tensile forces

The full thread starting immediately below the head allows for e.g. fitting-wood or sheet material-wood connections designed for tensile forces with high load-bearing capacity. Greater screw pull-out force is achieved by the maximum thread length.

Can be used for outdoor applications and utilisation class 3

Instructions

ASSY screws are approved for quasi-static loads

For optimum use of the screw, the right-size RW bit must be used

Full-thread screws are suitable for secure mounting of fittings or thin materials. The screw length to be selected should be less than the plate thickness of substrate the screw is to be driven in

If countersunk head screws are used for a metal-to-wood mounting, the metal to be connected must be provided with suitable countersunk holes

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ASSY® 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head

Variants

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Description

Usage

ASSY^® 4 A2 RCS fittings screw A2 stainless steel plain full thread raised countersunk head