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Railroad Truck SFT Steel Lock Nut Anti Vibration High Abrasion Shear Resistant

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Railroad Truck SFT Steel Lock Nut Anti Vibration High Abrasion Shear Resistant

Brand Name : HT

MOQ : 100

Payment Terms : L/C, T/T, Western Union

Supply Ability : 200,000pcs/month

Product name : SFT locknut

Technical standard : Q/ZC35-062-2004, TJ/CL412-2014

Material : carbon steel, alloy steel

Process : Quenching and tempering heat treatment

Hardness : 28-37HRC

Mechanical property class : class 10

Work temperature : -50 ℃ to 100 ℃(-58℉ to 212 ℉)

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Railway Casting Parts Truck Fastener SFT locknut

Product overview

The working principle of the nut is to use the friction between the nut and the bolt for self-locking. Railway SFT lock nut is used for ZT type bolt, which is applied to the mounting of column wear plate on side frame for railway freight wagon bogie.

Product specification

S.No.	Item	Value
1	Type	SFT locknut
2	Technical standard	Q/ZC35-062-2004, TJ/CL412-2014
3	Production ability	200,000pcs/month
4	Material	carbon steel, alloy steel
5	Process	Quenching and tempering heat treatment
6	Hardness	28-37HRC
7	Mechanical property class	class 10
8	Surface treatment	Oxidation treatment
9	Work temperature	-50 ℃ to 100 ℃(-58℉ to 212 ℉)

Product advantages

· Superior of anti-vibration performance

· High abrasion and shear resistance

· Good of reuse performance

Below is the type of locknut

Nominal diameter	h	D1 min	S	e (max)
M10	8.94-9.3	14.36	15.73-16	15.73
M20	11.57-12	16.63	17.73-18	17.73
M14	13.4-14.1	19.64	20.67-21	20.7
M16	15.7-16.4	22.49	23.67-24	23.7
M18	16.9-17.6	24.9	26.16-27	26.67
M20	19-20.3	27.7	29.16-30	29.5
M22	20.5-21.8	31.4	33-34	33.5
M24	22.6-23.9	33.25	35-36	35.5
M27	25.4-26.7	38	40-41	40.5
M30	27.3-28.6	42.8	45-46	45.5

Nominal diameter	h	D1(max)	S	e	a(after close)	b	c
M10	9.1-9.3	15.5	15.73-16	15.5	0.3-0.8	1.5-2	152±3°
M12	11.7-12	17.5	17.73-17	17.5	0.3-0.8	1.7-2.2	152±3°
M14	13.9-14.2	20.5	20.7-21	20.5	0.4-1.0	1.9-2.4	152±3°
M16	16.1-16.4	23.5	23.7-24	23.5	0.4-1.0	2.1-2.6	152±3°
M18	17.3-17.6	26.5	26.67-27	26.5	0.6-1.2	2.3-2.8	152±3°
M20	20-20.3	29.5	29.5-30	29.5	0.6-1.2	2.9-3.4	152±3°
M22	21.5-21.8	33.5	33.5-34	33.5	0.9-1.5	3.1-3.6	152±3°
M24	23.6-23.9	35.5	35.5-36	35.5	0.9-1.5	3.3-3.8	152±3°
M27	26.4-26.7	40.5	40.5-41	40.5	1.2-2.0	3.3-3.8	152±3°
M30	28.3-28.6	45.2	45.5-46	45.2	1.2-2.0	3.3-3.8	152±3°

Product Tags:

Railroad Truck SFT Steel Lock Nut

steel Lock Nut Anti Vibration

Steel railroad track bolts and nuts

Railroad Truck SFT Steel Lock Nut Anti Vibration High Abrasion Shear Resistant Images

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