The SteyrTek tyre grooving machine ST-TRSM-003B is designed to open and add grooves to special tyres on trucks, forklifts and off-road/cross-country vehicles.   For heavy-duty tyresRally and off-road tyresFor forklift tyres. Quick and easy to use The blade set supplied with the machine includes 10 different blade models for a total of 20 blades. For example, Michelin recommends retreading truck tyres. On its website, Michelin promises savings of up to 25% by retreading. Michelin: "Michelin recommends regrooving when there is 2-4 mm of tread depth left. Professional regrooving is a safe method because it is taken into account in the design of the tyre. Retreading done according to our recommendations will not damage the tyre and the tyre will be safe to use. Retreading deepens the pattern of the tyre. A new 6-8 mm groove depth can increase tyre life by up to 25%. Rolling resistance has a direct impact on fuel consumption. Retreading is carried out when the tyre's rolling resistance characteristics are at their best. The grooves are less deep and wear more slowly. The tread pattern deforms less in contact with the road surface, the tyre heats up less and rolling resistance is reduced, thus reducing fuel consumption. Retreading helps to extend tyre life and reduce fuel consumption. "https://kuljetus. michelin. fi/Products/J%c3%a4tread-and-treadinghttps://www. youtube. com/watch?v=RkNYAnN_4Y8&feature=youtu. be Legislation    Retreading is carried out in accordance with EU legislation and legislation in force in European countries. The legislation in most countries specifies that a truck tyre can be retreaded if the tyre is marked "regroovable" or U symbol on the sidewall and the retreading is carried out according to the instructions. ETRTO (European Tyre and Rim Technical Organisation) recommends retreading. Note: For passenger car tyres, the groove depth must not be increased. The SteyrTek tyre grooving device is also available with the ST-WRB add-on blade set Continental grooving instructions:  https://blobs. continental-tires. com/www8/servlet/blob/1000894/403c0a5a021c3aeda922f4f43290d073/continental-regrooving-recommendations-en-data. pdfBridgestone grooving instructions:https://a. vannetukku. fi/media/bridgestone-grooving-instructions: https://a. vannetukku. fi/media/bridgestone-grooving-instructions. pdfHankook regrooving guidelines:https://a. bonnet_hook. fi/media/hankook_regrooving_guidelines. pdfGoodyear regrooving guidelines:https://a. bonnet_hook. fi/media/goodyear_regrooving_guidelines. pdf Semperi regrooving guidelines:https://a. bonnet_hook. fi/media/semperi_regrooving_guidelines. pdf