Rail Plastic Dowel Pre-Inserted in Sleepers

Railway Plastic Screw Dowel for Concrete Sleeper
PA66 : Nylon 66.69%, glass fiber 30%, other 1%

No.	Technique parameter	Unit	Technical requirement	Value
1	Density	g	1.3-1.45	1.45
2	Tensile strength	Mpa	≥170	178
3	Elongation	%	≤4.4	4.0
4	Bending Strength	Mpa	≥250	290
5	Impact Strength(No gap)	KJ/m2	≥80	85
6	Melting point	°C	250°C-270	270
7	Insulation resistance	Ω	≥1×108	5×108
8	Glass fiber content	%	30-35	35
9	Hardness	HRR	≥110	118

HDPE

No.	Technique parameter	Unit	Technical requirement	Value
1	Density	g/	0.95-0.98	0.95
2	Tensile strength	Mpa	≥19	19
3	Elongation	%	>80	150
4	Melting point	°C	170-190	190
5	Insulation resistance	Ω	≥1×1010	3.5×1010
6	Hardness	A	≥98	98(A)

Railway Plastic Screw Dowel for Concrete Sleeper



Railway Plastic Screw Dowel for Concrete Sleeper




Railway Plastic Screw Dowel for Concrete Sleeper

We produce high quality of these bolts and supply both for imports and exports. We are CRCC certificated company.
Zhongbo Railway Fastening Company is a leading Chinese manufacturer of rail fastening and rail joint bar.

Zhongbo, as a specialized rail fastener manufacturer, provides a complete line of products, including rail fastening, anchor, rail joint, rail clip, rail screw, anchor bolt, rail clamp plate, rail fishplate, and fishplate bolt for connecting rail tracks.

We also make rail fastenings for crane rail and elevator guide rail, along with other related products. We manufacture according to GB/TB (Chinese national standards and railway standards), AREA, UIC, BS, DIN, ASTM, and AS standards.

Our products are mainly made through hot forging.

The threads of rail screw spikes are made by hot rolling with special threading machines.

We produce metric threads, BS, BSW, TR thread, or round threads.