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Direct Tension Indicator Washer

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Direct Tension Indicator Washer

Direct Tension indicators(DTI Washers), also known as Auto Torque Indicators, are single-use mechanical load cells designed to indicate the magnitude of preload in the assembly, It shows if the bolt is properly tensioned, it is very useful while tensioning High Strength Structural bolts.

Size Range
Diameter Metric: M16 - M36 as per BS EN 14399-9
Length
More Details
Technical Specifications
Direct Tension Indicator Size, in.Inside Diameter, in. (Min.)Inside Diameter, in. (Max.)
Protusion Tangential Diameter, in. (Max.)Outside Diameter, in. (Min.)Outside Diameter, in. (Max.)
Number of Protrusions (Equally Spaced)Thickness, in.Without Prorusion(Min.)Thickness, in. With Prorusion (Max.)
Outside Diameter, in. (Min.)Outside Diameter, in. (Max.)
Number of Protrusions(Equally Spaced)Thickness, in. Without Protrusion (Min.)Thickness, in. With Protrusion (Max.) 
1/20.5230.5270.7881.1671.18740.1040.1801.3551.37550.1040.180
5/80.6540.6580.9561.3551.37540.1260.2201.6051.62550.1260.220
5/8 option0.6540.6580.956NANANANANA1.3551.37540.1260.220
3/40.7860.7901.1251.6051.62550.1260.2301.7301.75060.1420.240
7/80.9170.9211.2941.8551.87550.1420.2401.9802.00060.1580.260
11.0481.0521.4631.9802.00060.1580.2702.2302.25070.1580.270
1-1/81.1791.1831.6312.2302.25060.1580.2702.4802.50070.1580.280
 1-1/41.3111.3151.8002.4802.50070.1580.2702.7302.75080.1580.280
1-3/81.4421.4461.9692.7302.75070.1580.2702.9803.00080.1580.280
1-1/21.5731.5772.1382.9803.00080.1580.2703.2303.25090.1580.280

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