ASSY^® 4 A2 CS universal screw A2 stainless steel plain partial thread countersunk head

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ASSY^® 4 A2 CS universal screw A2 stainless steel plain partial thread countersunk head

Partial-thread screw made of high-quality austenitic A2 stainless steel with countersunk head for universal wood-wood fastening in outdoor areas exposed to the elements

Head type: Countersunk head
Thread type: Wood screw thread
Thread design: Partial thread
Thread form: Single start thread
Shape of tip: Tip with hilltop milling cutter
Material: Stainless steel A2
Surface: Plain
Min./max. screw-in angle: 0-90 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

Approval: ETA-11/0190

Screw requiring approval: Yes

RoHS-compliant: Yes

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Variants

You can refine your search by selecting different attributes

Art.-no.

1

You can refine your search by selecting different attributes

Art.-no.	Nominal diameter	Length	Head diameter	Head height	Quantity	Attributes	PU	Price/PU *
018743540	3.5 mm	40 mm	7 mm	2.3 mm		Nominal diameter 3.5 mm Length 40 mm Head diameter 7 mm Head height 2.3 mm	500 pcs
018744040	4 mm	40 mm	8 mm	2.5 mm		Nominal diameter 4 mm Length 40 mm Head diameter 8 mm Head height 2.5 mm	500 pcs
018744045	4 mm	45 mm	8 mm	2.5 mm		Nominal diameter 4 mm Length 45 mm Head diameter 8 mm Head height 2.5 mm	500 pcs
018744050	4 mm	50 mm	8 mm	2.5 mm		Nominal diameter 4 mm Length 50 mm Head diameter 8 mm Head height 2.5 mm	500 pcs
018744055	4 mm	55 mm	8 mm	2.5 mm		Nominal diameter 4 mm Length 55 mm Head diameter 8 mm Head height 2.5 mm	250 pcs
018744060	4 mm	60 mm	8 mm	2.5 mm		Nominal diameter 4 mm Length 60 mm Head diameter 8 mm Head height 2.5 mm	250 pcs
018744070	4 mm	70 mm	8 mm	2.5 mm		Nominal diameter 4 mm Length 70 mm Head diameter 8 mm Head height 2.5 mm	200 pcs
018744550	4.5 mm	50 mm	8.9 mm	2.8 mm		Nominal diameter 4.5 mm Length 50 mm Head diameter 8.9 mm Head height 2.8 mm	250 pcs
018744560	4.5 mm	60 mm	8.9 mm	2.8 mm		Nominal diameter 4.5 mm Length 60 mm Head diameter 8.9 mm Head height 2.8 mm	250 pcs
018744570	4.5 mm	70 mm	8.9 mm	2.8 mm		Nominal diameter 4.5 mm Length 70 mm Head diameter 8.9 mm Head height 2.8 mm	200 pcs
018744580	4.5 mm	80 mm	8.9 mm	2.8 mm		Nominal diameter 4.5 mm Length 80 mm Head diameter 8.9 mm Head height 2.8 mm	200 pcs
0187450100	5 mm	100 mm	9.6 mm	3.2 mm		Nominal diameter 5 mm Length 100 mm Head diameter 9.6 mm Head height 3.2 mm	100 pcs
018745040	5 mm	40 mm	9.6 mm	3.2 mm		Nominal diameter 5 mm Length 40 mm Head diameter 9.6 mm Head height 3.2 mm	500 pcs
018745050	5 mm	50 mm	9.6 mm	3.2 mm		Nominal diameter 5 mm Length 50 mm Head diameter 9.6 mm Head height 3.2 mm	250 pcs
018745060	5 mm	60 mm	9.6 mm	3.2 mm		Nominal diameter 5 mm Length 60 mm Head diameter 9.6 mm Head height 3.2 mm	250 pcs
018745070	5 mm	70 mm	9.6 mm	3.2 mm		Nominal diameter 5 mm Length 70 mm Head diameter 9.6 mm Head height 3.2 mm	200 pcs
018745080	5 mm	80 mm	9.6 mm	3.2 mm		Nominal diameter 5 mm Length 80 mm Head diameter 9.6 mm Head height 3.2 mm	100 pcs
018745090	5 mm	90 mm	9.6 mm	3.2 mm		Nominal diameter 5 mm Length 90 mm Head diameter 9.6 mm Head height 3.2 mm	100 pcs
0187460100	6 mm	100 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 100 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
0187460110	6 mm	110 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 110 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
0187460120	6 mm	120 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 120 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
0187460140	6 mm	140 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 140 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
0187460160	6 mm	160 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 160 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
0187460180	6 mm	180 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 180 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
0187460200	6 mm	200 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 200 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
018746060	6 mm	60 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 60 mm Head diameter 12 mm Head height 4.4 mm	200 pcs
018746070	6 mm	70 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 70 mm Head diameter 12 mm Head height 4.4 mm	200 pcs
018746080	6 mm	80 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 80 mm Head diameter 12 mm Head height 4.4 mm	100 pcs
018746090	6 mm	90 mm	12 mm	4.4 mm		Nominal diameter 6 mm Length 90 mm Head diameter 12 mm Head height 4.4 mm	100 pcs

* Individual prices for customers after login

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-fitting connection to metal fittings or in wooden products with high bulk density

For fitting connection with full-thread steel screws

Perfect fit of 90° head in fitting parts with metal countersinks

Pulls together without head milling due to lack of milling elements below the head

The 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 wood-wood connections designed to pull together

The partial thread starting immediately below the shank allows for wood-wood connections designed to pull together. The screw thread is positioned entirely in the lower component once screwed in.

Can be used for outdoor applications and utilisation class 3

Instructions

To increase the joining effect or head pull-through resistance, combining with perfectly fitting washers for ASSY 4 is recommended

ASSY screws are approved for quasi-static loads

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

Partial-thread screws are ideal for connecting wooden components. To achieve optimum assembly of the components, the components to be fixed must not be thicker than the length of the shank

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ASSY^® 4 A2 CS universal screw A2 stainless steel plain partial thread countersunk head