Is the Cutting knife for IST tool suitable for cutting the inner layer of all rubber hose types and what blade size is recommended?

Cutting knife for IST tool Format: The Cutting knife for IST tool is designed specifically for trimming the inner layer of rubber hoses used with IST-type tools. It is suitable for most common rubber hose constructions, but not universally for every possible compound, thickness or reinforcement type. Extremely hard, highly abrasive, or unusually layered hoses may require a specialized blade or different cutting method. Recommended blade size: Use the blade size specified for your IST tool model and hose inner diameter; typically a smaller-radius blade is used for thin inner linings and a larger-radius blade for thicker linings. If a single recommendation is needed: select the blade size matched to the hose inner layer thickness.standard practice is to choose a medium-sized IST-compatible blade for general-purpose rubber hoses. For precise compatibility and maximum safety/performance, confirm the hose material and thickness with the tool/blade supplier or manufacturer before use.

Can the Cutting knife for IST tool be used safely on hoses with heat- or oil-resistant inner layers, and are special blades required?

Cutting knife for IST tool: Yes - it can be used safely on hoses that have heat- or oil-resistant inner layers because the blade is designed specifically for cutting the inner rubber layer typical in IST-type hose assemblies. However, for hoses with especially tough or abrasive inner materials (e.g., certain oil- or heat-resistant elastomers or reinforced linings), use of a blade rated for higher wear resistance is recommended to maintain cutting performance and safety. Inspect blade condition frequently and replace with a compatible, durable cutting blade when you notice dulling or chipping.

Does the Cutting knife for IST tool require specific maintenance or replacement intervals to ensure safe inner-layer cuts?

Cutting knife for IST tool: Yes. safe, reliable inner-layer cutting requires regular maintenance and timely replacement of the Cutting knife for IST tool. Key points: - Inspection frequency: Inspect the Cutting knife for IST tool before each use for nicks, chips, burrs, deformation, corrosion or any sign of wear that could snag or tear the inner layer. - Sharpening and maintenance: If the blade is designed to be resharpened, follow manufacturer guidelines for sharpening angle and method; maintain a clean, dry blade and remove rubber deposits after use. If no resharpening is recommended, do not attempt to grind it down beyond manufacturer limits. - Replacement intervals: Replace the Cutting knife for IST tool immediately when you observe dulling that increases required cutting force, leaves rough or torn cuts, shows visible damage, or after a prescribed number of cuts or operating hours specified by the manufacturer. If no interval is specified, adopt a preventive schedule based on usage (for example, replace after a defined number of hose inner-layer cuts determined during validation or when cutting quality degrades). - Safety checks: Verify secure mounting in the IST tool and correct alignment before each cutting operation. Use recommended torque/specs for fasteners and replace any blade-holding hardware that is worn. - Documentation and training: Keep records of inspections, maintenance and replacements. Train operators to recognize signs of blade wear and to perform pre-use checks. Following these practices ensures consistent, safe inner-layer cuts and minimizes risk of damage to hoses or operator injury.

Cutting knife for IST tool

Additional information

Standard length [m]	10, 2

Cutting knife for the inner layer of rubber hoses, intended for IST-type tools.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
HY-9025-01-05	Cutting knife 5 mm IST 3/8"	-	-
HY-9025-01-06	Cutting knife 6 mm IST 1/2"	-	-
HY-9025-01-08	Cutting knife 8 mm IST 5/8", 3/4"	-	-
HY-9025-01-10	Cutting knife 10 mm IST 1", 1.1/4"	-	-
HY-9025-02-10	Cutting knife 10 mm (long) IST 1.1/2", 2"	-	-