Crowring spanner No. 440 AF 20 mm 3/8 inch drive, length 42.9 mm - Stahlwille 02190020

When a nut or bolt with 20 mm AF is to be tightened via a square drive, the Crowring spanner No. 440 combines a ring spanner head with a 3/8 inch internal square. At 42.9 mm long and weighing only 54 g, it fits a ratchet, extension or torque wrench with a 3/8 inch output square.

Benefits

• Bi-hex with AS-Drive profile for a secure fit on the fastener
• 3/8 inch internal drive square for common ratchets, extensions and torque wrenches
• Flat ring head, 31.3 mm wide and 42.9 mm long
• Chrome Alloy Steel, chrome-plated
• Designed for manual operation

Applications

Socket tool for assembly, maintenance and servicing in workshops and industry, particularly as an addition to a torque wrench when bolted joints with 20 mm AF are tightened via a square drive.