Fleece Pins and Flap Pins
Small non-woven or coated abrasive heads carried on an integral shank, run in a straight grinder or flexible shaft. They clean, blend and satin-finish inside bores, slots and weld corners that no disc will ever reach. SES holds the range as an authorised Tyrolit distributor, covering head forms Cylindrical, tapered, ball, cone; abrasive Aluminium oxide, silicon carbide, non-woven fleece; shanks 3 mm and 6 mm steel; grades Coarse through to very fine. Executions include non-woven fleece pins, flap pins, aluminium oxide, flap pins, zirconia, tapered and conical heads, among others. It is specified most often into deburring cross-drilled holes in hydraulic manifold blocks and blending weld toes inside stainless tank nozzles. Every part is genuine Tyrolit through official channels, with designation, specification and options confirmed against your duty before it ships — supplied from Kolkata and our branch network, with breakdown cover that does not sit in an inbox.
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From integrated steel plants to power utilities and EPC majors — the works that cannot afford a counterfeit part specify through SES.
Form
Fleece or flap head on integral shank
Duty
Deburr, blend, satin finish
Drive
Straight grinder or flexible shaft
Reach
Bores, slots, internal corners
Where it runs.
You will find Fleece Pins and Flap Pins in the parts of a plant where this particular duty actually occurs. In practice that means deburring cross-drilled holes in hydraulic manifold blocks, blending weld toes inside stainless tank nozzles, cleaning scale from die cavities in a press tool room, and equally satin-finishing handrail joints in dairy and brewery fabrication, removing heat tint from pipe bores after socket welding, dressing runner and gate marks on small steel castings. What links them is the duty rather than the machine name — form: Fleece or flap head on integral shank. If your installation is not on that list it matters less than you would think: the operating condition decides the specification. Send us the load, the speed, the running temperature and the environment it runs in, and we will match it to the right execution in the Tyrolit range and confirm what is in stock.
Specify it against the duty.
Specification here follows the operating condition, not the catalogue. Stainless steel where free iron pickup is not acceptable — Non-woven pins free of iron fillers, kept on a machine dedicated to stainless. A pin previously used on mild steel embeds particles that rust out weeks later. Deep bore with very little clearance — The smallest head that still makes full contact, on a long shank. Oversized heads jam in the bore and snap the shank at the collet mouth. Real stock removal wanted in a corner, not just a shine — A coated flap pin rather than fleece. Fleece will polish the corner beautifully without ever cutting the weld toe back. Where two of those apply at once, specify for the harsher of the two — under-specifying is what puts the part back on the bench a month later. Send us the duty and we will confirm the execution.
Ordering this from SES.
Shank overhang is what kills these. Every extra 10 mm out of the collet drops the safe speed sharply, so clamp as short as the job allows and wind the speed back rather than trusting the printed figure.