Image Ground Joint Air Hammer Double Spud Markets Mining Jump to Section Product Options Related Products Product Options Part Number Thread Thread Size Material GJ75 Coarse Nut 1-31/64" OD x 8 TPI Plated Steel GDL25 Coarse Nut 1-47/64" OD x 8 TPI Plated Steel Related Products Image Boss® Clamp 4 Bolt Type, 2 Gripping Fingers Image Boss® Ground Joint Complete Female Image Ground Joint Air Hammer Complete Female Image Ground Joint Air Hammer Female Spud Image Ground Joint Air Hammer Male Spud Image Ground Joint Air Hammer Stem Image Ground Joint Air Hammer Wing Nut