steel hose clamp
1)Screw: hex-head .Carbon steel or 400/200/300 grade stainless steel .
2)Band: band width :8mm ,12.7mm,14.2mm

Stainless steel hose clamp

1)Screw: hex-head .Carbon steel or 400/200/300 grade stainless steel .

2)Band: band width :8mm ,12.7mm,14.2mm,15.8mm

3)Housing: carbon steel or 400/200/300 grade stainless steel