MATERIAL THICKNESS CHART
Chart showing Standard Wire Gauge (SWG) sizes with Metric (mm) conversion and the
standardised gauge/mm sizes for our Rivet Bushes.
MATERIAL HARDNESS CROSS-REFERENCE CHART
Chart showing a cross-reference of hardness spome common measurement scales,
including ROCKWELL A, B, C and D, BRINELL, VICKERS and KNOOP.
GALVANIC CORROSION INFORMATION
Galvanic Corrosion is an electrochemical process in which one metal corrodes
preferentially to another when both metals are in electrical contact, in the presence
of an electrolyte. Chart showing the galvanic potential of various materials.
PLATING SPECIFICATIONS
A list of our standard and optional finishes along with the description, performance
and other relevant information for each finish.
MAXIMUM RECOMMENDED TIGHTENING TORQUES FOR METRIC THREADS
A generic guide of maximum recommended tightening torques for metric coarse
threads. These are generic recommendations that should be used as a starting point
only. Special attention should always be taken of any recommendations relating to
the maximum tightening torque in the performance section of our product data.
TECHNICAL RESOURCES & USEFUL INFORMATION
Technical Resources and Useful Information
NORTHERN PRECISION LTD
Specialist Fasteners
for Sheet Metal
+44 (0) 1302 836010
+44 (0) 1302 831555
Tel:
Fax:
sales@npfasteners.com
Contact us
You can contact us using any
of the methods below.
Unit 3 Durham Lane
Armthorpe
Doncaster
South Yorkshire DN3 3FE
England
+44 (0)1302 836010
+44 (0)1302 831555
sales@npfasteners.com
All rights reserved
© Northern Precision Ltd.
NORTHERN PRECISION LTD
Accreditations
Northern Precision Ltd operate a quality management
system in accordance with ISO 9001.
The ISO 9001 standard is recognised worldwide and
you can be assured of the benefits of working with a
certified company knowing that our management
systems are constantly assessed and approved.
Regulatory
RoHS|WEEE Compliance
REACH Compliance
Conflict Minerals Policy
Environmental Policy
Opening Hours
Mon - Fri 08:00 - 17:00
Registered in England & Wales
Company number 3275391
V.A.T Registration number
GB 684 1384 17
Self Clinching Fasteners
Broaching Fasteners
Arnold & Shinjo Fasteners
Rivet Bushes
Rivet Nuts
Weld Fasteners
Cage Nuts
Blind Rivets
Inserts for Plastics
Inserts for Stone, Solid
Materials, Composites &
Sandwich Panels
Crown-Nuts
Fast-Con
Installation Equipment
Turned & Cold Formed
special parts made to order
Bespoke fastener design &
development
Fastener & Application
testing
Technical support
ISO 9001
RoHS|WEEE Compliance
REACH Compliance
Conflict Minerals Policy
Environmental Policy
SERVICES & SUPPORT
Material Thickness Chart
Material Hardness Chart
Galvanic Corrosion Info
Plating Specifications
Max. Recommended
Tightening Torques for
metric threads
