Wednesday 20th Sep 2017Special fasteners: Durehete, Nimonic, X19, Inconel, 660, Hastelloy, 32760...

SPECIAL FASTENERS MANUFACTURED TO SUIT CUSTOMERS’ REQUIREMENTS:

  • To drawings
  • To customer specifications
  • With additional testing
  • In unusual materials
  • With unusual threads
  • With unusual dimensions/tolerances

 

Types of fasteners manufactured include:

  • Hex bolts
  • Hex setscrews
  • Hex nuts
  • Nuts – round, cap
  • Socket capscrews
  • Grub screws
  • Socket countersunk screws
  • Engineer studs
  • Wasted studs
  • Studbolt assemblies
  • 12 point (ferry head) bolts

PRODUCT DIMENSIONAL STANDARDS

BOLTS AND SETSCREWS (NORMAL AND HEAVY SERIES) ANSI B18.2.1
DIN 931 933
BS 1083 1768 1769 3692
ISO 4014 4017
SOCKET CAPSCREWS (1936 & 1960 SERIES)
ANSI B18.3
DIN 912 913 916 6912
BS 2470 4168
ISO 4762
STUDBOLTS
ANSI B16.5
DIN 975 976
BS 4882
NUTS (NORMAL AND HEAVY SERIES)
ANSI B18.2.2
DIN 934
BS 1083 1768 1769 3692
ISO 4032
ENGINEER STUDS DIN 938 939 2510
BS 2693 4439 4882
WASHERS Flat Tab Spring Special designs

THREAD FORMS

All fasteners can be supplied with the following thread forms:
METRIC Metric fine Metric coarse
UN UNC UNS
UN8 UNF
WHITWORTH BSW BSF

ANCILLARY processes

HEAT TREATMENT Quenching and tempering Thru Hardening
Normalising Solution Annealling
Nitriding Precipitation Hardening
Case Hardening
COATINGS Zinc Phosphate
Zinc Nickel Molykote
Hot Dip Galv Sherardizing
PTFE/Xylan/Xylar/Teflon Cadmium