Squirters (DTI)

Squirter® DTI Washers are hardened DTI (Direct Tension Indicator) washers that when the proper tension has been applied to the washer, a colored silicone material will squirt out giving you a visual indication that the proper tension has been achieved. Squirter DIT’s are manufactured to the ASTM F959 specification

Finishes: Plain (black) & Galvanized

  • Available in all diameters
  • Visual Inspection (no feeler gauges required)
  • Match marking not required

The compression load test ranges stipulated by ASTM F959 are as follows:

Table 3: Acceptable Range of Compression Load

DTI SizeA325 (000 lb)A490 (000 lb)
1/2 12-14 15-18
5/8 19-23 24-29
3/4 28-34 35-42
7/8 39-47 49-59
1 51-61 64-77
1 1/8 56-67 80-96
1 ¼ 71-85 102-122
1 3/8 85-102 121-145
1 ½ 103-124 148-178
Source: ASTM F959-09

Contact your sales representative for more information.              slsb haydonbolts

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