Clause 5.1 Construction

Caluse 5.2 Direction of rotation

Clause 5.3 Heat treatment(body and teeth hardness test)

Clause 5.4 Finish test

Clause 5.5 Screw threads

Clause 5.7&5.8 Dimension reuqirements

Clause 5.10 Concentricity

Clause 5.11 Cutting edge variation

Clause 6   hole-saw arbors

Clause 7.1 Pilot drills

Clause 8 Marking

Caluse 9 instructions for use

Sample required: 5 pieces with smallest package

样品要求: 5个

Turnaround time: normal (9 working days), express (7 working days).

所需时间 :标准(9 个工作天), 加快(7 个工作天).