| Handbook | Strengths | Weakness vs. MET Handbook | | :--- | :--- | :--- | | | Imperial units (inches), bearings, gears. | Weak on DIN/ISO metric standards. | | Metals Handbook (ASM) | Deep metallurgy, phase diagrams. | Too academic; lacks practical machining data. | | Kleppner & Ramsey | Strong on physics/mechanics theory. | No trade-specific tables (fits/tolerances). |