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Orifices are stainless steel accessory discharge tubes for the HM-371 Grout Flow Cone, or replacements for orifices on the HM-372 and HM-373 Grout Flow Cone Sets. Orifices easily fasten onto the cone with screws and can be quickly changed from one size to the other.
HMA-146 Orifice is 0.5in (12.7mm) and meets ASTM C939 Standard.
HMA-147 Orifice is 0.75in (19.0mm) and used for less flowable grouts, meeting ASTM D6449.
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