Product Description
Milton S522 Bayonet Inflator Gauge – with dual truck head chuck. 10-120 lbs. in 2 lb. increments.Milton (522) Bayonet Tire Inflator Gauge – Dual Truck Tire Chuck Head, 120 Max PSIMiltons 522 Dual head chuck bayonet gauge specializes in reaching dual and Dually truck tires. Dual head chucks make truck/tire valves more accessible with two heads for easier access. It has lever action and is made with heavy-duty construction, providing long service life even with constant use. Valve and gauge cartridges are replaceable and combined in one easy unit. Includes a 12″ hose with a pressure range that offers 10-120 PSI (2-lb. increments) or 80-840 kPa (20 kPa increments). The air chuck has 1/8-27 NPT threads. Complete with a jumbo white nylon indicator bar for easy reading.With ¼ NPT threads, all Milton hose whips are compatible for use and have interchangeable connections with any of the 4 Milton Bayonet Inflator Gauge bodies: 520 (straight chuck head), 521 (single chuck head), 522, and 523 (grip chuck head to lock onto valve).
- 1/4″ NPT. Air chuck threads: 7/16-27 UNS. Pressure range of PSI (10-120) and kPa (80-840).
- Includes: Bayonet-style inflator gauge, Dual head air chuck, and 12″ Hose.
- Replacement hose whip: Milton 527.
- Replacement air chuck: Milton 500-4.
- All Milton replacement hose whips have 1/4 NPT threads and are interchangeable with any Milton bayonet gauge.













