CSK Allen Bolt – High-strength fastener with a countersunk head and internal hex drive, designed for flush fitting and a smooth finish.Nov 3rd, 2026 10:21 AMShare this on :Keywordssmooth finish CSK Allen Bolthigh-strength fastener countersunk headCSK Allen Bolt supplier Chakan Puneinternal hex drive flush fittingCSK Allen Bolt in Chakan Pune