Thumb screw clamps(Butterfly hose clamps ) are designed for home, garden and DIY applications . No tools are required. This clamp can be tightened or opened manually.
Perforated band and non-perforated band is available.

Butterfly Hose Clamps-Non-perforated Band are designed for home, garden and DIY applications. No tools are required. This clamp can be tightened or opened manually.
Perforated band and non-perforated band is available.

Stainless steel clamps with thumb screw perforated band with 1/2”(12.7mm) and 8mm band width - suitable for many high corrosive environments.
Butterfly screw - No need screwdriwer to tighten the clamp. The screw housing is a mechanical locking system which improves effective tightening and helps early sealing even at low torque values.

Stainless steel clamps with thumb screw non-perforated Feature:
1, Turn key hose clamp,easy twist by handle
2, Comply with Germany standard with Non-Perforated band
3, Smooth band inside to protect hose surface from damage
4, Round edge,no burr, no deformation,can be reused
5, Wrest resistant and high crushing strength
6, Corrosion resistant,and protects the rubber surface is not damaged
7, Low free torque