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Catalogue Technical Specification
ISO Fundamental Tolerances

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Type E 3D CAD Model
Type F 3D CAD Model


DIN6304 Tommy Screw With Fixed Bar

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Type E - Without Thrust Pad

Type F - With Thrust Pad DIN 6311

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Product Description

DIN6304 Tommy Screw With Fixed Bar.

These tommy screws, DIN 6304, have a fixed bar, allowing easy, non slip adjustment of the screw to the desired torque. The thrust point of these screws is designed to be used with or without a thrust pad for clamping.

The snap ring is a simple and quick method to connect the thrust pad to the tommy screw.

Instead of thrust pad DIN 6311, thrust pad GN6311.1 can be used. If so, the tommy screw and the thrust pad have to be ordered separately.

An optional foot plate is also available, GN6311.3

Installation hint for Type F - The thrust pad has to be held at an angle allowing the circlip to drop to the bottom of its groove with the split end downwards. The thrust point is then offered up to the split end of the circlip at the lowest possible angle and pressed home.


Steel ST - Tensile strength class 5.8, blackened.

Thrust point - Hardened.

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