ASSY^®plus 4 TH glass strip screw Hardened zinc-plated steel partial thread top head 60°

Name: ASSY ® plus 4 TH glass strip screw Hardened zinc-plated steel partial thread top head 60°
Brand: Würth
SKU: 017880330

ASSYplus 4 TH steel zinc plated PT top head RW
SCR-TOPHEAD-DBIT-RW10-(A2K)-3X30/14
ASSYPLUS 4 TH

Art.-no. 017880330

EAN 4061975503114

All versions

Specification

Special partial thread screw with small top head and milling ribs. Suitable for gap-free fastening close to edges of delicate glass strips or skirting boards in furniture, shop or interior construction.

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

Precise positioning and very clean drilling due to advanced centring drill tip

Positioning and drilling without chipping

Maximum drilling performance and precise drilling process through drilling cutting edges (similar to Forstner bits)

Precise positioning on hard surfaces without slipping thanks to centring pin

Quick screwing due to gentle start of thread

Well-designed, unobtrusive mounting of narrow wooden components

Small screw head with lens-shaped rounded head for well-designed, unobtrusive mounting

Highly effective milling ribs prevent narrow wooden profiles from splitting

Maximum reliability of the screw connection due to asymmetrical single thread

Optimal matching of drill tip and thread geometry

Excellent anchoring in wood due to asymmetrical arrangement of thread flanks

Notice

Do not use the screw in applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas. Please use ASSYplus 4 stainless steel screws for outdoor applications and rooms with constant high humidity

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.

Application

Application area

For wood-wood connections designed to pull together

A wood-wood connection designed to pull together is possible owing to partial thread starting immediately after the shank. The thread in this case is positioned entirely in the lower second component.

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

High-quality surface protection, zinc, blue-passivated chromium(VI)-free 5 µm layer thickness

Suitable for use in utilisation class 1 (interior) and from ∅ > 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

Instructions

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

Technical information


Nominal diameter (d)	3 mm
Length (l)	30 mm
Thread length (lg) (l_g)	14 mm
Screw-thread length with drill tip (b) (b)	17.5 mm
Head type	Top head 60 degree
Head details	Milling ribs
Head diameter (d_h)	5.2 mm
Head height (k)	3.3 mm
Internal drive	RW10
Thread type	Wood screw thread
Thread design	Partial thread
Design	With shaft
Thread form	Single start thread
Core diameter	2.1 mm
Shape of tip	Drilling tip
Material	Hardened steel
Surface	Zinc plated
Max. screw-in angle	90 Degree
Min. screw-in angle	0 Degree
Suitable for use in the following materials	Board ply wood (BSP), Wood, Derived timber product, Hardwood, LVL, Softwood
Area of application	Furniture, Body, Store construction, Exhibition stand construction, Interior fitting
Approval	ETA-11/0190
Product weight (per item)	1.127 g
RoHS-compliant	Yes

Documents

Product information

Datasheets (0)

Certificates/ Documents (0)

Accessory

Additional accessory:

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