snippet: Female Thread Length: 1/4". Finish: Plain. Hardness: Rockwell B70. Length Tolerance: -0.005" to 0.005". Male Thread Length: 3/16". OD: 1/4". Pack Quantity: 1. Shape: Round. Specifications Met: ASTM A380. System of Measurement: Inch. Thread Size: 4-40. Type: Standoff