Retention Knob MAS403-1982

Retention knob MAS403-1982 is an important component used to connect the machine tool spindle and the tool holder, it's also called CNC pull stud. Its primary function is to fix the tool holder onto the machine tool spindle through tensile force, ensuring the stability and safety of the cutting tool during high-speed rotation.
Pull Studs can be customized to different sizes as customer's requirement.

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Product Description

Retention Knob MAS403-1982 (also called CNC pull stud) is widely used in both CNC machines and conventional machines, allowing the tool holder to be applied not only on machining centers but also on conventional and CNC machines. The product enhances the versatility of the tool holder and reduces production costs.

Product parameters:

Model No.	D	D1	D2	M	L	L1	L2	H	H1	θ
LDB-P30T(θ)	12.5	7	11	M12	43	23	18	5	2.5	45°	60°	90°
LDB-P40T(θ)	17	10	15	M16	60	35	28	6	3	45°	60°	90°
LDB-P45T(θ)	21	14	19	M20	70	40	31	8	4	45°	60°	90°
LDB-P50T(θ)	25	17	23	M24	85	45	35	10	5	45°	60°	90°

Our packaging:

Retention Knob MAS403-1982

Our production process for pull stud:

The material is shaped and sized into the basic form and dimensions of the pull stud through forging or mechanical processing. To enhance the mechanical properties of the pull stud, such as hardness and toughness, the material undergoes heat treatment processes. Threading is then performed.

Retention Knob MAS403-1982

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Retention Knob MAS403-1982

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Product parameters:

Our packaging:

Our production process for pull stud:

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