TOOLS Continuous innovation
Rivit Srl, based in Bologna, Italy, has recently launched the RIV941 a hydro-pneumatic tool which joins Rivit’s comprehensive range of tools for setting rivets and rivet nuts.
T
he RIV941 has been designed for installation of rivet nuts from M3 to M10 and it is fitted with an innovative system that allows two modes of control in one tool: pressure (force) or stroke.
RIV941 can be used with Rivsert female threaded rivet nuts, from
M3 to M10, and with Rivbolt male threaded rivet nuts, from M4 to M8. The new tool for rivet nuts has been designed so that the
hydro-pneumatic system, and the mechanical parts that make up the internal structure of the tool, ensure a higher reliability, due to reduced components wear, resulting in increased durability and functionality of the tool.
Technical features of RIV941 include:
Nominal air pressure: Min/max air pressure:
Pull force (6 bar): Weight:
ISO reintroducing old hexagon sizes to tool standards
The experts of the ISO Technical Committee ‘Assembly Tools for screws and nuts’ have decided to reintroduce the old hexagon sizes, such as 17mm, 19mm, 22mm and 32mm, into the International Standards for tightening tools.
T
homas Holland-Letz, of the Fachverband Werkzeugindustrie e.V. (German Association Tool Manufacturing Industry) and current chairman of ISO TC 29/SC 10 ‘Assembly tools for screws and nuts, pliers and nippers’, explains the decision. The 1979 revision of ISO 272 ‘Fasteners; Width across flats for hexagon products’ replaced these hexagon sizes with the sizes 16mm, 18mm, 21mm and 34mm. This was the responsibility of the ISO TC 2 Technical Committee for fasteners. After
this revision, it was expected that the market would follow the change. Consequently, ISO TC 29 SC 10, the committee responsible for tools, started to adapt its standards to the new sizes. Today, 32 years later, far more screws and tools with the old hexagon sizes rather than with the new ones are produced and
sold. To avoid that the relevant tool standards do not cover a major segment of the market, it has now been decided to reintroduce these sizes into the tool standards, starting with the basic standards ISO 1711-1 and 1711-2 (technical specifications for hand- and machine-operated sockets and wrenches). The product standards will be adapted during their systematic reviews, which will take approximately 5 years. The Technical Committee ISO TC 2 “Fasteners” decided to maintain the decision of 1979 and not to re-introduce the old sizes into
their standards. More about the work of the Fachverband Werkzeugindustrie e.V. can be found at
www.werkzeug.org The direct link to the homepage for the ISO TC29/SC10 Committee is:
www.iso.org/iso/standards_development/technical_committees/list_of_iso_technical_committees/iso_technical_committee.htm?commid=47562.
Wera Tool-Check
A new tool combination comprising some 38 pieces in a particularly compact ‘Tool-Check’ is the latest product from the Wuppertal based screw driving tool specialist - Wera.
serving as an extension. The bits are suitable for screw driving jobs both in wood and metal, and the hand/machine sockets can be used in either manual or power tool operations. All tools are clearly arranged and securely housed in a robust plastic box. Despite the comprehensive range of tools included, the Wera ‘Tool-Check’ only measures 15cm x 8cm.
A 142 Fastener + Fixing Magazine • Issue 72 November 2011
s a universal companion for a number of screw driving applications, the set comprises a Bit-Ratchet, a Rapidaptor bit holder as well as a total of 28 bits, seven sockets and a socket adaptor. The bits and sockets can be used with the Bit-Ratchet, with the Rapidaptor –with rapid sleeve and fast bit change -
6 bar 5/7 bar
Air consumption per cycle (6 bar): 5 litres Max stroke:
6.5mm
19,000N 1.9kg
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