Threaded body: Steel, black oxide finish
Plunger pin: Steel, hardened
Knob: Matte black glass fiber reinforced nylon plastic, not removable Lock nut: Steel, black oxide finish, DIN 439/ISO 4035
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Indexing plungers GN 607.1 with
lock-out position are used for such applications where the plunger
has to stay in its retracted position. To achieve this, the
knob is rotated by 90° after being retracted. The head of the
plunger body is provided with a suitable notch in opposite positions
so as to prevent the plunger from accidentally slipping back
into its forward position. Maximum heat resistance of nylon
plastic hand knob: 110°C (230°F).
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