{{gallerySelectedImage.title}} Expand × > < Previous Next < {{filteredImages().indexOf(gallerySelectedImage) + 1}}/{{filteredImages().length}} > {{gallerySelectedImage.title}} Hydraulic Knockout Kits Hydraulic Knockout Kits Share Hydraulic Knockout Kits - The RIDGID unique 3-point design makes punching fast and simple. Show Less Read More Buy Now Request a Demo Request Info Register Your Product
Features Combines ease of hydraulic operation and precision-ground knockouts to provide clean, quick holes. Available with foot or hand pumps. Precision-ground 3-point punch/die sets. Capacity to 4" in 12 gauge mild or 14 gauge stainless steel. Powerful 11-ton hydraulic ram. Pumps equipped with internal safety relief valve. Ram and pump equipped with quick disconnect couplers.
Support Documents Operator's Manual Hydraulic Knockout Kits Manual (359.9 KB) Parts List Parts List (41.53 KB) Warranty Full Lifetime Warranty
Ordering Information Accessories {{model}} Catalog Number Description Weight lb. kg 21847 3' Hydraulic Hose for Hand Pumps 3.00 1.4 Buy Now 21857 10' Hydraulic Hose for Foot Pumps 7.00 3.2 Buy Now 24537 8R111S Ram For Pumps 6.25 2.8 Buy Now 24542 H-18 Hand Pump with Elbow 10.00 4.5 Buy Now 24582 Spacer Group (Inc. Long, Med., Short Spacer) 1.25 0.5 Buy Now