00 Contents - Hilti Svenska AB

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The direct fastening system The direct fastening system The fastener, tool and driving energy form a fastening system with its own specific characteristics. Examples of Hilti direct fastening system components are shown below. Fasteners Fastening tools Driving energy Powder-actuated tool Gas-actuated tool Other examples of direct fastening methods are self-drilling screws and welding. 1.10 11 / 2007
2.1 Fasteners The direct fastening system Fasteners can be classified in three general types: Nails, threaded studs and composite fasteners. Nails Siding and decking nails General purpose nails for steel for concrete Multi-part fasteners HILTI X-FCM grating disk with threaded stud Threaded studs Composite fasteners Knurling Blunt-ended fastener (requires pre-drilling) The nails used (also known as drive pins) are of a special type equipped with washers to meet the needs of the application and to provide guidance when driven. Threaded studs are essentially nails with a threaded upper section instead of a head. Composite fasteners are an assembly consisting of a nail with an application-specific fastening component such as a clip, plate or diskµ made of metal or plastic. Siding and decking nails can be recognized by their washers which are specially designed to hold down the metal sheets and to absorb excess driving energy. Fasteners designed for driving into steel usually have for steel for concrete X-HVB shear connectors fastened with X-ENP-21 HVB nails X-ENP nail with SDK 2 sealing cap knurled shanks which increase their pull-out resistance. Fasteners for use on concrete have longer shanks than those for use on steel. Threaded studs may have either a metric (M6, M8 or M10) or Whitworth ( 1 /4", 5 /16" or 3 /8") thread. Nails and threaded studs are commonly zinc plated (5 to 16 µm zinc) for resistance to corrosion during transport, storage and construction. As this degree of protection is inadequate for long-term resistance to corrosion, use of these zinc-plated fasteners is limited to applications where they are not exposed to the weather or a corrosive atmosphere during their service life. The zinc 11 / 2007 1.11
Page 1 and 2: Principles and technique Introducti
Page 3 and 4: Introduction Introduction 1 1.1 Def
Page 5 and 6: ? + ? + = 2.4 kN + + = 2.4 kN A com
Page 7 and 8: Hilti direct fastening systems are
Page 9: The direct fastening system Introdu
Page 13 and 14: Stainless steel fasteners Hilti int
Page 15 and 16: Hilti Tools All Hilti tools supplie
Page 17 and 18: The direct fastening system DIN 726
Page 19 and 20: Health and safety Introduction 1 Th
Page 21 and 22: Drop-firing safety The drop firing
Page 23 and 24: ystanders. Safety tests with carton
Page 25 and 26: Quality of installation The use of
Page 27 and 28: Corrosion Introduction 1 The direct
Page 29 and 30: 2. Contact corrosion Corrosion is a
Page 31 and 32: Hilti X-CR / X-BT stainless steel f
Page 33 and 34: Steel base material Introduction 1
Page 35 and 36: Fusing (welding) Complete fusing of
Page 37 and 38: Guide values for the depth of penet
Page 39 and 40: Steel base material Surface of the
Page 41 and 42: Steel base material Compressive str
Page 43 and 44: 5.5 Thin steel base material Steel
Page 45 and 46: Failure of the base steel If the th
Page 47 and 48: Pull-over test specimen at test beg
Page 49 and 50: X-CRM8-15-12 (stainless steel faste
Page 51 and 52: Steel base material 5.7 Effect of f
Page 53 and 54: 5.9 Effect on the fatigue strength
Page 55 and 56: Concrete base material Introduction
Page 57 and 58: Clamping The compressibility of con
Page 59 and 60: Concrete parameter The concrete par
Page 61 and 62:
Edge distance and fastener spacing
Page 63 and 64:
Masonry base material Introduction
Page 65 and 66:
Temperature effects Introduction 1
Page 67 and 68:
Base steel: S355K2G3 h = 25 mm fy =
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8.3 Fire rating of fastenings to st
Page 71 and 72:
Temperature effects 8.4 Fire rating
Page 73 and 74:
Design concepts Introduction 1 The
Page 75 and 76:
The characteristic strength is defi
Page 77 and 78:
Determination of technical data Int
Page 79 and 80:
10.2 Profile sheet fastenings Deter
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Calculation method The calculation
Page 83 and 84:
Determination of technical data The
Page 85 and 86:
DX fastenings on concrete Fault Fas
Page 87 and 88:
DX fastenings on steel Fault Nail d
Page 89 and 90:
Approval Listing Summary of approva
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00 Contents - Hilti Svenska AB

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