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Squirter DTI Structrual Washers

Squirter DTI Structrual Washers

Direct Tension Indicator Washers | gr8.8 Hi-tensile | Mechanical Galvanised

A compressible steel washer manufactured with protrusions on one side, known as a direct tension indicator washer (DTI). When used with structural bolts the DTI is designed to compress to correlate to bolt tension.

The Squirter DTI is the same as other DTI washer except for the orange silicone that has been added to the welds under each bump. As the bolt is tighten the bump compress pushing the silicone to edge of the washer indicating to the installer the correct tension has been achieved.

Squirter DTIs are made and certified to ASTM F959. They are also covered in the Australian standard AS4100 steel structures for tension by use of direct tension indication device.

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Product List
SKU Item OD / ID Thk Bx. Qty. Crt. Qty.
SKU 6M-SW12 Item M12 Squirter DTI OD / ID 34.9 / 13.4mm Thk 3.0mm Bx. Qty. 10 Crt. Qty. 100
SKU 6M-SW16 Item M16 Squirter DTI OD / ID 36.0 / 17.0mm Thk 3.4mm Bx. Qty. 10 Crt. Qty. 100
SKU 6M-SW20 Item M20 Squirter DTI OD / ID 46.0 / 21.0mm Thk 3.8mm Bx. Qty. 10 Crt. Qty. 100
SKU 6M-SW24 Item M24 Squirter DTI OD / ID 55.0 / 25.0mm Thk 4.4mm Bx. Qty. 10 Crt. Qty. 100
SKU 6M-SW30 Item M30 Squirter DTI OD / ID 68.0 / 32.0mm Thk 4.4mm Bx. Qty. 10 Crt. Qty. 100
SKU 6M-SW36 Item M36 Squirter DTI OD / ID 81.0 / 38.0mm Thk 5.0mm Bx. Qty. 10 Crt. Qty. 100

Orange Silicone

The silicone has a shelf life of 5 years. When installed the silicone becomes fully cured omitting a powdered textured, this powered remains visible on the steel structure for a period of 3-4 weeks. This normally allows enough time for inspection of each bolt assembly pending weather conditions as wind and rain may affect visibility.

AS1252

Squirter DTIs can be used with structural bolt assemblies that conform to AS1252 to aid in quickly identifying bolts that have not been tension correctly.

Squirter DTI's are a registered trademarks of Applied Bolting Technology Products, Inc.