Model: HERBERT TANGENTIAL THREAD CHASERS

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Manuals for Model: HERBERT TANGENTIAL THREAD CHASERS

Print code: MH436C

HERBERT (Coventry) TANGENTIAL CHASERS Some Notes on their Use and Maintenance. Cutting Action. Thread, Lead, Rake and Helix Angles. Grinding Instructions. Cutting Speed. Cutting Lubricant, etc. Also See: Coventry (Herbert) Die Heads and  Herbert Prematic Die Heads