Crowring spanner inch No. 440a 3/8" AF 1/4 inch drive L 28.4 mm - Stahlwille 01490024

For inch fasteners in hard-to-reach places, the Crowring spanner No. 440a combines a closed ring head with 3/8" across flats and an offset 1/4 inch female drive square. This lets you tighten the nut with a ratchet, extension or torque wrench where a socket does not fit. Length 28.4 mm, weight 16 g.

Benefits

• Bi-hex with AS-Drive profile: the ring fully encloses the nut and grips on the flats
• Chrome Alloy Steel, chrome-plated, for lasting corrosion protection
• 1/4 inch female drive square for ratchets, extensions and torque wrenches with 1/4 inch drive
• Compact dimensions: length 28.4 mm, width 18.2 mm, weight 16 g

Applications

Assembly and maintenance on inch fasteners with little clearance. The manufacturer lists the 440a series for use on the Volvo aircraft engine type JAS. Combined with a torque wrench for joints with a specified tightening torque.