BoltShield® caps TYPE TD are Bolt & Nut Metal Protections which offer a full protection, as they cover both the exposed bolt threads (size HT on the chart below) and the nut (size HD).

We offer our customers standard sizes, indicated in the chart below, ranging from ½” to 4”M12 to M100 (UN/metric ISO threads), according to the material required.

BoltShield® Type TD are also available in customised and bespoke solutions to meet all Customers’ Needs. Some example are caps to fit two hex nuts, round nuts (with our without washer); caps with extra HT length to fit wind turbine foundation anchor bolts, shorter HT length for valve applications, grease nipple and so on.

TAILOR-MADE sizes and COATINGS can be custom made upon request!

Download YOUR BoltShield® BROCHURE

BoltShield® Benefits

  • Bolt Thread and Nut Protection
  • Effectively Prevent Corrosion and Thread Damage
  • Easy Manual Installation (Screw-on System / No tools required)
  • Easier and Faster Maintenance
  • High temperatures resistance (up to 550°C)
  • Extend life of Bolts and Nuts
TYPE TD caps - standard sizes
Imperial
SizeDTDDHDHT
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1/2"12.7271520
5/8"16341922
3/4"19392223
7/8"22.3442633
1"25.5482937
1''1/828.6553340
1"1/431.8603644
1"3/835653948
1"1/238.2704253
1"5/841.3774659
1"3/444.5834964
1"7/847.7885367
2"51945672
2"1/457.21056280
2"1/263.51146991
2"3/4701257599
3"76.313681107
3"1/482.715287116
3"1/289.216094126
3"3/495.4172100135
4"102183107152
Metric
SizeDTDDHDHT
M1212241418
M1414291620
M1616311822
M1818342123
M2020392325
M2222402532
M2424452934
M2727513037
M3030553340
M3333613646
M3636653948
M3939704252
M4242774659
M4545834964
M4848885367
M5252945672
M56561026084
M64641136991
M68681197398
M727212577100
M767613181105
M808013685107
M909015995126
M100100183105144
Internal Dimensions (mm)

Photo Gallery

Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt BoltShield® TD type Screw-on System
Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt and nut protection BoltShield® TD type
Bolt thread and nut protection Wind Turbine type
Bolt and nut protection BoltShield® TD type
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