ASSY^® 4 PH fittings screw Steel zinc plated partial thread pan head

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ASSY^® 4 PH fittings screw Steel zinc plated partial thread pan head

Partial-thread screw with visually appealing pan head for universal fastening of metal or plastic hollow profiles

Head type: Pan head
Thread type: Wood screw thread
Thread design: Partial thread
Thread form: Coarse thread
Shape of tip: Tip with hilltop milling cutter
Angle of the tip: 34 Degree
Material: Hardened steel
Surface: Zinc plated

Colour: Silver

Max. screw-in angle: 90 Degree

Min. screw-in angle: 0 Degree

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

Area of application: Universal, Timber construction, Structural woodwork, Timber panel construction, Element construction, Metal plate, wood, Roof

Approval: ETA-11/0190

RoHS-compliant: Yes

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Variants

You can refine your search by selecting different attributes
Select all Reset 5 mm 6 mm Select all Reset 80 mm 90 mm 100 mm Select all Reset 10 mm 12 mm Select all Reset 3.6 mm 4 mm
Art.-no.	Nominal diameter	Length	Head diameter	Head height	Quantity	Attributes	PU	Price/PU *
0153850080	5 mm	80 mm	10 mm	3.6 mm		Nominal diameter 5 mm Length 80 mm Head diameter 10 mm Head height 3.6 mm	100 pcs	-,--
0153850090	5 mm	90 mm	10 mm	3.6 mm		Nominal diameter 5 mm Length 90 mm Head diameter 10 mm Head height 3.6 mm	100 pcs	-,--
0153850100	5 mm	100 mm	10 mm	3.6 mm		Nominal diameter 5 mm Length 100 mm Head diameter 10 mm Head height 3.6 mm	100 pcs	-,--
0153860090	6 mm	90 mm	12 mm	4 mm		Nominal diameter 6 mm Length 90 mm Head diameter 12 mm Head height 4 mm	100 pcs	-,--
0153860100	6 mm	100 mm	12 mm	4 mm		Nominal diameter 6 mm Length 100 mm Head diameter 12 mm Head height 4 mm	100 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

Flat fastening metal sheets for secondary purposes

Flat, cylindrical pan head rounded with a lens

Large surface contact area

No over-tightening or stripping and high feed

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

Notice

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

Do not use the screw in applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas. If used outdoors and in rooms that are constantly exposed to high humidity, please use ASSY 4 A2 PH stainless steel screws

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.

For applications in utilisation class 1 and utilisation class 2 (from ∅ > 4 mm)

High-quality surface protection zinc blue passivated chromium(VI)-free, up to ∅ 4 mm A2K 5 µm, from ∅ 4.5 mm A3K 8 µm layer thickness

Suitable for use in utilisation class 1 (interior) and from a ∅ > 4 mm in utilisation class 2 (wet area or covered outdoor area) according to EN 1995-1-1:2010-12 + DIN SPEC 1052-100:2013-08

For screws from ∅ 4.5 mm with zinc layer thickness 8 µm with Cr(III) passivation, the requirement of classification T2/C2 is fulfilled in accordance with prEN 14592:2017 (D)

Instructions

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

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

ASSY screws are approved for quasi-static loads

For a load-bearing wood-metal connection, ASSY screws must be tightened to a specific torque value. Tightening torque = required prevailing torque x 1.2 < 90% of the breaking torque

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