Image Ground Joint Air Hammer Wing Nut Markets Mining Jump to Section Product Options Related Products Product Options Part Number Thread Thread Size Material J47 Coarse Nut 1-31/64" OD x 8 TPI Iron DLB12 Coarse Nut 1-47/64" OD x 8 TPI Iron Related Products Image Boss® Clamp 4 Bolt Type, 2 Gripping Fingers Image Ground Joint Air Hammer Complete Female Image Ground Joint Air Hammer Double Spud Image Ground Joint Air Hammer Female Spud Image Ground Joint Air Hammer Male Spud Image Ground Joint Air Hammer Stem