D44 20 M8 3 l 1 l 8° l 25 d1 h3 4°17'20" M 2021.50. subject to alterations GUIDE PILLAR, CONICAL, DIN 9825/ISO 9182-4/AFNOR Description: FIBRO demountable pillars with conical shaft 2021.50. are recommended where die sharpening etc. demands frequent demounting and re-fitting. Material: Steel, (Core strength: ≥ 900 N/mm²) surface hardened Surface hardness: 60 + 3 HRC, Hardness penetration ≥ 1,8 mm Execution: fine-ground and superfinished Method of manufacturing entails that centre holes are not concentric with O.D. Note: Matching retaining bushes 2021.39./210.39. and retaining discs 2021.53./202.53. to be ordered separately. Preloading see pairing classification at the beginning of chapter D Matching guide combinations, see selection matrix at the beginning of chapter D. Tolerance range: yellow = .10 green = .20 red = .30 Mounting example
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