DTI - Andrews Fasteners CE Approved Bolts, Nuts & Washers

Andrews Fasteners Ltd

AndFast Malaysia SDN BHD

The Fasteners Specialist

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Tag: DTI

EN 14399-9: Compression loads for DTI washers

For use with bolts with bolts Compression load Designation H8 Designation H10 min. max. min. max. M12 47 56 59 71 M16 88 106 110 […]


EN 14399-9: Dimensions of Direct Tension Indicators washers

Dimensions of compressible washer-type direct tension indicator According to EN 14399-9:2018, Table 2 Size Internaldiameter diameter External diameter Thickness Height over protrusion   Height of […]


EN 14399 Mechanical properties for Washers

Mechanical Properties EN 14399 Part 5: Plain Washer Mechanical Properties Requirement VICKERS HARDNESS 300 HV to 370 HV BS EN 14399-5: High-strength structural bolting assemblies […]


Direct Tension Indicators Washers (EN 14399 Part 9)

Direct Tension Indicators Washers to BS EN 14399-9 Andrews Fasteners company in manufacturing Direct Tension Indicators Washers (DTI Washers) in well know in construction industry company […]


EN 14399 Preload bolt assemblies (CE Marked)

EN 14399-3 Preload bolt assemblies (HR) High-strength structural bolting assemblies for preloading Previously know as High Strength Friction Grip (HSFG) We are a manufacturer of CE Marked […]


Technical Support

Please find below documents as a part of our Technical Support section. If case of any further questions, please visit our Frequently Asked Questions (FAQ) section or contact […]


Andrews Fasteners applied for CE change of approval (DTI’s)

Andrews Fasteners applied for change of approval to their current CE approval certificate covering EN 14399-1 preload bolting assemblies, to include DTIs (Direct Tension Indicators) […]


BCSA memorandum about CE marking of TCB and DTI’s

BCSA has released memorandum about CE marking of TCB (tension control bolts) and DTIs washers (direct tension indicators). Read more: BCSA Memorandum 53-10 TCB and […]


Nut/Bolt Face Washers Not Required with DTI

Nut And Bolt Face Washers Are Not Required With TurnaSure Direct Tension Indicators. Read more: Nut And Bolt Face Washers Are Not Required With Turnasure DTIs […]


Squirt Type DTI performance report

Due to several customers requesting information on ‘SQUIRT TYPE’ Andrews Fasteners sent some samples for testing. The attached report shows how the Squirt Type performed […]