QUICK SELECTION GUIDE - Unbrako

QUICK SELECTION GUIDE3 QUICK SELECTION GUIDETypeApplicationFeatures2 Suitable for all high tensile applications. Use stainless for corrosive-cryogenic or elevated for use in parts too thin for std. SHCS; and for applications with angle under the head ensures maximum flushness and sidewall contact. Non-slip Hex socket prevents marring of : Inclined angle under the head varies as follows:BSW & BSF Threads - 90 CUNC & UNF Threads - 82 CMetric Threads- 90 CAbove M20- 60 CLow heads streamline design. Use them in materials too thin to countersink: also for non-critical loading requiring heat treated costly special parts - shafts, pivots, pins, guides, linkages and trunnion mountings. Also standard for tool and die collars, sleeves, gears, knobs on shafts. Locate machine partsCone, half dog, oval, cup and self locking knurled cup points are Head Cap ScrewsAlloy SteelStainless SteelStainless SteelSocket Low Head Cap ScrewCountersunk Socket Head ScrewsButton Head ScrewsShoulder ScrewsAlloy SteelAlloy SteelAlloy SteelAlloy SteelStainless SteelStainless SteelSocket Set ScrewsAlloy SteelMaximumOperatingMaterialCorrosionMa gnetic orPageTemperatureResistanceNon-MagneticU nplatedHigh GradePlating300 CUnbrakoOptionalMagneticAlloy Steel4 to 18 Austenitic 430 CStainless ExcellentNon-MagneticSteelHigh GradePlating 300 CUnbrakoOptionalMagnetic11 Alloy SteelHigh GradePlating300 CUnbrakoOptionalMagneticAlloy Steel

Identification for M5 diameter and larger Thread Size Thread Size (B Max.) Pitch A Max. da Max. H Max. W Nom. SEE NOTE 2 L Length of Thread T (Ref) Maximum Tightening Torques Unplated Plated Induced Load Nm lbf.in. Nm lbf.in. kN lbf. M3 0.50 5.50 3.60 3.00 2.5 20 18 2.1 18.6 1.6 14.2 3.99 890 M4 0.70 7.00 4.70 4.00 3.0 25 20 4.6 40.7 3.5 31.0 6 ...

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  Thread, Pitch, Diameters

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