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CTD

Torque limiting wing knobs

Technopolymer

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CTD-B

Torque limiting wing knobs

Threaded hole

CTD-p

Torque limiting wing knobs

Threaded stud

Description

Main specifications

Material

Glass-fibre reinforced polyamide based (PA) technopolymer, black (C9) or orange (C2) colour, matte finish.

Torque limiting mechanism

Nickel-plated steel.

Standard executions

CTD-B-2: nickel-plated steel boss with threaded blind hole, maximum torque 2Nm.
CTD-B-3: nickel-plated steel boss with threaded blind hole, maximum torque 3Nm.
CTD-p-2: nickel-plated steel threaded screw, maximum torque 2Nm.
CTD-p-3: nickel-plated steel threaded screw, maximum torque 3Nm.

General information

Features and applications

CTD wing knobs are used when the applied tightening torque must not exceed a preset value.

The torque transmission from the wing knob to the clamping element takes place by means of a spring-based mechanical system which prevents the overcoming of the established torque. Upon exceeding the established torque, a 'click' sound will be heard to indicate that the maximum tightening has been reached. By turning the knob anticlockwise the mechanism unlocks.

CTD-B

		Color	D	d	L	d₁	d₂	l₂	b	h	C# [Nm]
Code	Description												Actions
221901-C2	CTD.48 B-M5-2-C2	C2 - RAL 2004	48	M5	28	26	10	9	20	8	2	37
221901-C9	CTD.48 B-M5-2-C9	C9 - RAL 9005	48	M5	28	26	10	9	20	8	2	37
221902-C2	CTD.48 B-M5-3-C2	C2 - RAL 2004	48	M5	28	26	10	9	20	8	3	39
221902-C9	CTD.48 B-M5-3-C9	C9 - RAL 9005	48	M5	28	26	10	9	20	8	3	39
221905-C2	CTD.48 B-M6-2-C2	C2 - RAL 2004	48	M6	28	26	10	9	20	8	2	37
221905-C9	CTD.48 B-M6-2-C9	C9 - RAL 9005	48	M6	28	26	10	9	20	8	2	37
221906-C2	CTD.48 B-M6-3-C2	C2 - RAL 2004	48	M6	28	26	10	9	20	8	3	39
221906-C9	CTD.48 B-M6-3-C9	C9 - RAL 9005	48	M6	28	26	10	9	20	8	3	38

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