MTS Nut Grips - Manual (Page 5)

MTS Fundamental™ Bolt Grips and Nut Grips Introduction 5
Introduction
The MTS Fundamental fixtures are designed for tension, proof load ,and wedge
load tests of bolts and nuts.
The bolt length (l) should be no less than 3 times of the nominal diameter of bolts
(d), l≥3d.
The fixtures can perform tension, proof load and wedge load tests specified by
the following standards:
• GB/T 1231-2006 Specification of hexagon bolts, hexagon nuts, and plain
washers for high strength structural bolting with large width across flats.
• GB/T 3098.1-2000 (idt ISO 898-1 :1999) Mechanical properties of fasteners
– Bolts, screws and studs.
• GB/T 3098.2-2000 (idt ISO 898-2 :1992) Mechanical properties of fasteners
– Nuts – Coarse thread.
• GB/T 3098.4-2000 (idt ISO 898-6 :1994) Mechanical properties of fasteners
– Nuts – Fine pitch thread.
• ASTM F606-07 Internally Threaded Fasteners, Washers, Direct Tension
Indicators, and Rivets.
Thread Specifications Table
P ART N UMBER T HREAD S PECIFICATIONS
F-JLL305A1
F-JLL305A2
M5 to M20
F-JLL605A1
F-JLL605A2
M5 to M24
F-JLL106A1
F-JLL106A2
M5 to M30