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Welded studs

Description

Fits industry standard Raptor blades. Studs are welded on the back side of this hub so you can quickly install or remove your wind turbine blades with a drill or single hand tool. No more trying to double-hand tighten your blades. Black oxide finish. 1/4" thick carbon steel plate x 6.75" outside diameter. 1/4" studs are welded and have a 15/16" hole center spacing. 17MM Center hole. Supplied with Grade 5 nylon lock nuts with flange. It's critical to always use nylon lock nuts with a flange so your blades don't vibrate the hardware loose and fly off. Free shipping to all states in the USA, including Hawaii, Alaska and Puerto Rico Specifications: Hub plate Material: ASTM/ASME A-36 Carbon Steel Hub plate Material yield strength: 36,000 PSI Hub plate Material ultimate tensile strength: 58,000-80,000 PSI Hub plate weight: 2lbs Stud size: 1/4"-20, 1-1/4" length exposed Stud material: Grade 8 Zinc Yellow-Chromate Plated Steel Stud tensile strength: 150,000 psi We make sure to answer all questions daily so feel free to contact us at any time. We would love to share our wind turbine knowledge and experience with you.