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Maryland Metrics
Metric Fastener Technical Information and Data

Section 2 Index


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PAGE INDEX for Section 2 of our FASTENER TECHNICAL DATA CHARTS Page
STANDARDS CONVERSION4-11
Standards conversion DIN–EN–ISO/ISO–EN–DIN4
Standards types, relations5
Normative changes to screws6
Normative changes to nuts7
Normative changes to nuts8
Normative changes to nuts9
Normative changes to bolts and pins 10
Normative changes to threads and tapping screws 11
DIMENSIONS FOR FASTENERS12-91
Dimensions for screws and bolts 12
– Hexagon and hexalobular socket head cap screws 12
– Hexagon head screws/bolts 13
– Studs 14
– Set screws/grub screws 15
– Screw plugs/pipe plugs 16
– Screw plugs/pipe plugs 17
– Lubricating nipples 18
– Theft resistant screws/locking screws 18
– Other screws with metric thread 19
– Other screws with metric thread 20
– Other screws with metric thread 21
– Other screws with metric thread 22
– Other screws with metric thread 23
– Slotted and cross recessed screws with metric thread 24
– Slotted and cross recessed screws with metric thread 25
– Tapping screws, thread rolling screws and thread cutting screws 26
– Tapping screws, thread rolling screws and thread cutting screws 27
– Tapping screws, thread rolling screws and thread cutting screws 28
– Wood screws/chipboard screws 29
– Hooks/special bolts with wood screw thread 30
– Hooks/special bolts with wood screw thread 31
Dimensions for bolts, nuts and accessories for steel constructions 32
– Bolts, nuts and accessories, system HV 32
– Clamping lengths 33
Dimensions for nuts 34
– Hexagon nuts 34
– Hexagon nuts 35
– Hexagon nuts 36
– Locking nuts 37
– Locking nuts 38
– Locking nuts 39
– Nuts for T-slots 40
– Welding nuts 41
– Special forms 41
– Special forms 42
– Special forms 44
– Special forms 45
– Special forms 46
– Special forms 47
– Special forms 48
– Turnbuckles 49
– Square nuts 49
Dimensions for washers and rings 50
– Plain washers-round 50
– Plain washers-round 51
– Square washers/taper washers 52
– Sealing washer-plain 53
– Retaining lock washers and rings 53
– Retaining lock washers and rings 54
– Retaining lock washers and rings 55
– Retaining lock washers and rings 56
– Retaining lock washers and rings 57
– Retaining lock washers and rings 58
– Retaining lock washers and rings 60
– Retaining lock washers and rings 61
– Retaining lock washers and rings 62
– Retaining lock washers and rings 63
– Retaining lock washers and rings 64
– Retaining lock washers and rings 66
– Retaining lock washers and rings 67
– Retaining lock washers and rings 68
– Adjusting rings 69
– Special forms 70
– Special forms 71
– Special forms 72
Dimensions for pins 73
– Parallel pins/taper pins/grooved pins 73
– Parallel pins/taper pins/grooved pins 74
– Spring-type straight pins 75
– Linch pins/spring cottes/split pins 76
– Linch pins/spring cottes/split pins 77
Dimensions for handles 78
– Grips 78
– Tommy screws/tommy nuts 79
– Tommy screws/tommy nuts 80
Dimensions for brackets, clamps and rope fixings 81
– Stirrup bolts 81
– Hose clamps/pipe clamps 81
– Hose clamps/pipe clamps 83
– Rope clips/thimble ropes/shackles 84
Dimensions for rivets 85
Dimensions for other products 86
– Cam segments and washers for diagonal pull tension 86
– Hooks 86
– Axle holders 86
– Parallel keys 86
– Parallel keys 87
Tolerances for screws, nuts and washers 88
Tolerances for screws, nuts and washers 89
Tolerances for screws, nuts and washers 90
Tolerances, ISO deviations 91
PRODUCT INFORMATION93-103
Disc springs 93
Head shapes, drive features and ends of externally threaded fasteners94
Cable ties and accessories 96
Cable ties and accessories 97
Lifting eye bolts and lifting eye nuts 98
Special materials 99
Wire thread inserts 100
Wire thread inserts 100
Wire thread inserts 101
Self tapping thread inserts 103
STEELWORK FASTENER AND FIXING SYSTEMS-LINDAPTER104-106
Steelwork fixings – grider clamps 104
Steelwork fixings – grider clamps 105
Product overview: grider clamps, support fixings, cavity fixings and floor fixings106
Product overview: grider clamps, support fixings, cavity fixings and floor fixings107
PLUGS AND ANCHORS109-139
Plugs and anchors: Selection and assembly aids 109
Plugs and anchors: Selection and assembly aids 110
Plugs and anchors: Selection and assembly aids 111
Plugs and anchors: Selection and assembly aids 112
FISCHER/UPAT: Plugs and anchors 113
– General fixings 113
– General fixings 114
– High performance steel anchors 115
– High performance steel anchors 116
– High performance steel anchors 117
– High performance steel anchors 118
– High performance steel anchors 119
– High performance steel anchors 120
– High performance steel anchors 121
– High performance steel anchors 122
– High performance steel anchors 123
– High performance steel anchors 124
– Chemical fixings 126
– Chemical fixings 127
– Chemical fixings 128
– Chemical fixings 129
– Chemical fixings 130
– Chemical fixings 131
– Cavity fixings 132
– Cavity fixings 133
– Long-shaft anchors/frame fixings/adjustment fixings 134
– Long-shaft anchors/frame fixings/adjustment fixings 135
– Long-shaft anchors/frame fixings/adjustment fixings 136
– Scaffold fixings 137
– Insulation supports 138
– Electrical fixings 138
PLUGS AND ANCHORS139
MULTI-MONTI screw-in-anchors 139
MULTI-MONTI screw-in-anchors 140
MULTI-MONTI screw-in-anchors 141
Blind rivets and accessories 142
Blind rivets and accessories 143
Blind rivets and accessories 144
Blind rivets and accessories 145
Blind rivets and accessories 146
Blind rivets and accessories 147
Blind rivets and accessories 148
Blind rivets and accessories 149
Blind rivets and accessories 150
Blind rivets and accessories 151
BLIND RIVET SYSTEMS142-152
Blind rivet nuts and accessories 152
Blind rivet nuts and accessories 153
Blind rivet nuts and accessories 154
Blind rivet nuts and accessories 155
Profile, types, threadability 156
Profile, types, threadability 157
SCREW THREAD156-158
Tolerances, thread pitches 158
Tolerances, thread pitches 159
Steel screws, bolts, studs and nuts 160
Steel screws, bolts, studs and nuts 161
Fasteners from corrosion-resistant stainless steel 162
Fasteners from corrosion-resistant stainless steel 163
MECHANICAL PROPERTIES160-164
Fasteners from non-ferrous materials 164
Quality inspection 166
Certificates 166
Acceptance inspection according to ISO 3269 167
INSPECTIONS, ACCEPTANCE TESTINGS, CERTIFICATES 166-168
Test method: Hardness measurement, impact test 168
Test method: Hardness measurement, impact test 169
CORROSION PROTECTION170-184
General information, corrosion types, contact corrosion 170
Corrosion protection measures 171
Corrosion resistance 172
Electroplated coatings, maximum layer thicknesses 173
Hot dip galvanized coatings 174
ASSEMBLY SCREWED FASTENINGS175-184
General information, tightening methods, friction coefficients 175
General information, tightening methods, friction coefficients 176
Preloads and tightening torque for fasteners of steel 177
Preloads and tightening torque for fasteners of steel 178
Preloads and tightening torque for screwed fastenings with locking elements179
Assembly instructions, preloads and tightening torque for high-strength structural bolting (system HV) 180
Assembly instructions, preloads and tightening torque for high-strength structural bolting (system HV) 181
Preloads and tightening torque for fasteners from stainless steel 182
Preloads and tightening torque for fasteners from brass, polyamide or heat resisting steel 183
Assembly instructions for tapping screws 184
Assembly instructions for tapping screws 185
General information, measures 186
Form-fitting locking elements and adhesive coatings 187
LOCKING OF SCREWED FASTENINGS186-188
Product overview of form-fitting locking elements and adhesive coatings188
DIRECTIVES AND LEGISLATION189-192
EC Directive 2000/53/EC on end-of-life vehicles 189
EC Directive 2002/95/EC on electrical and electronic equipment (ROHS directive) 189
ZEK 01-08 PAK 189
HR 4040 – CPSIA 189
EC Directive 76/769/EEC 190
EC Directive EC 2006/122/EC (PFOS) 190
EC Regulation 1907/2006 – Chemicals regulation (REACH) 190
EC Directive 89/106/EEC (Construction products directive) 190
EC Directive 2006/42/EC (Machinery directive) 191
Equipment and Product Safety Act (GPSG) 191
EC Directive 97/23/Ec (Pressure equipment directive) 192
Fastener Quality Act (FQA) 192

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