Norma Cable Clips Worm drive hose clamps 631130 - Norma 3627000033, Norma's worm drive hose clamps, model 3627000033, feature a slotted hex head and are suitable for bundle diameters ranging from 25 to 40 mm. These clamps are ideal for securing hoses in automotive or plumbing applications where a secure and adjustable fit is needed. Typically used in environments requiring reliable clamping, these high-quality clamps ensure optimal performance. Norma 3627000033 Worm Drive Hose Clamp Ø25-40mm Slotted Hex Head