Quick view 1/2-28 RH Smooth Stainless Thread Protector (Pistol Version) Protect your 1/2"-28 RH pistol (or pistol adapter) threads with this smooth thread protector. Made out of durable stainless steel, this protector is a great solution for those who want to save their threads for years to come. Thread Pitch:... $12.00 Add to Cart Compare