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E FL 20º FR 20º Material: HSS special. Hardness: HRc 62+ -1 Ground faces and bore. These knurls are always manufactured in accordance with demand The following information will be required for the manufacture of convex knurls: Tooth pattern Inside diameter "B" Outside diameter "A" Width "E" Pitch at mean diameter "dm" Tooth angle Radius Material Coating
Material: HSS special. Hardness: HRc 62+ -1 Ground faces and bore. These knurls are always manufactured in accordance with demand
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