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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.An essential reference for any workshop. 50 laminated pages of charts, tables and formulae in a handy 90x148mm pocket book.Contents includesConversion FactorsDrill Size and Decimal Equivalent ChartsTapping Drill Sizes for Thread Cutting TapsTapping Drill Sizes for Thread Forming TapsPreferred Fits for Standard Engineering ComponentsPreferred Limits and Fits (ISO 286)Hardness Comparison ChartCoordinates for Locating Equally Spaced HolesStandard Wire GaugesStandard Sheet Metal GaugesSheetmetal BendingSheetmetal Bending AllowancesMorse Taper Shanks / Sockets / SleevesM2 HSS Drill Surface Speeds, RPMs, Feeds & ThrustsAnnular Cutter Surface Speeds and RPMsCobalt Bi-Metal Hole Saw SpeedsTungsten Carbide Burr SpeedsHSS Reamer Surface Speeds & FeedsNumerical Control (CNC Programming)Common Engineering AbbreviationsTriangle Geometry Oblique and Right Angled
