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Retention Knob SR Pull Studs for ST tool holders

1. Material: 20CrMnTi;
2. Hardness: 54-57 HRC;
3. Carbon depth:＞0.8；
4. Hardness of thread is lower: 35±5 HRC

Model:
S5R;S10R;S15R;S20R;S25R
Brand:
CHONGDE

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Quantity:



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Product Description

Retention Knob SR Pull Studs for ST tool holders

SR pull studs for ST type tool holders. It includes S5R,S10R,S15R,S20R,S25R for S5T,S10T,S15T,S20T,S25T separately. Made from high quality low carbon alloy steel 20CrMnTi processing thread after carburizing & quenching.

Kindly Note: Please make sure the Retention Knob you choose is the right one for your machine. Using wrong Retention Knob can cause damage to your machine.

Features:

1. Material: 20CrMnTi;

2. Hardness: 54-57 HRC;

3. Carbon depth:＞0.8；

4. Hardness of thread is lower: 35±5 HRC, to protect shank thread.

5. Cryogenic treatment and thermal aging treatment can reduce the inner residual stress, improve durability and precision stability.

6. The nickel coating surface of the pull stud has good effects of anti-rust and wear-resisting.

Product Drawing and Size

P208 ST+拉钉日本标准

Order No.	Model No.	_l1	d₄	d₅	C₂	r₃	l₄	l₇	d⁰_3-0.1	r₁	l⁰_5-0.1	S⁰_0-0.2	C₁
Order No.	Model No.	_l1	h₇	g₆	C₂	(Max)	l₄	l₇	d⁰_3-0.1	r₁	l⁰_5-0.1	S⁰_0-0.2	C₁
CD130106.0555235	S5R	23.5	5.5	M5	0.5	0.4	3	5	8	1	2.5	7	0.2
CD130106.1065265	S10R	26.5	6.5	M6	0.5	0.4	3	5	10	1.5	3	8	0.3
CD130106.1585320	S15R	32	8.5	M8	1	0.5	4	6	12	1.5	3.5	10	0.4
CD130106.2085345	S20R	34.5	8.5	M8	1	0.5	4	6	14	1.8	4	10	0.5
CD130106.2510540	S25R	40	10.5	M10	1	0.5	4	7	15.5	2	4.5	13	0.5

Model No.	d⁰_1-0.1	d⁰_2-0.1	l⁰_2-0.1	l⁰_3-0.1	l₆	r₂	θ		l_3-l₅	l₉	CHUCK
Model No.	d⁰_1-0.1	d⁰_2-0.1	l⁰_2-0.1	l⁰_3-0.1	l₆	r₂	Type1	Type2	l_3-l₅	l₉	CHUCK
S5R	5.8	4	13.5	10.5	1.4	0.3	+0.5° 0 15°	+0.5° 0 0°	8	10	S5T
S10R	7	5	15.5	12	1.6	0.3			9	11	S10T
S15R	8.3	6	18	14	1.9	0.4			10.5	14	S15T
S20R	9.5	7	20.5	16	2.1	0.4			12	14	S20T
S25R	10.8	8	23	18	2.3	0.5			13.5	17	S25T

SR Retention knobs S25R pull studs S20R pull stud S20T Collet chuck S25T Collet chuck pull studs

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Retention Knob SR Pull Studs for ST tool holders

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