Material: Q235, Q345 or stainless steel, etc.

Surface: hot dip galvanized or PVC coated

Color: any color is available

Standard: DIN, ASTM, AS/NZS, GB, JIS or as your request

Specification: M5 – M64

Length: 40mm-460mm


Anti-rust and water-proof

Easy to install

Competitive price with high quality

Connect guardrails to post firmly




Highway guardrail bolts and nuts are mainly used between guardrail and spacer, spacer and post, They play a fixed role.

When the vehicle collides with it, the corrugated steel guardrail board has good crash worthiness and energy absorption, and it is not easy to be destroyed, and at the same time it can protect the vehicle and the passengers. When the road maintenance or other reasons need to be connected, the groups of guardrail columns at the opening can be easily removed and removed to open the passage for the vehicle to pass.

Specification Detailed introduction
Profile Guardrail Bolt and Nut
MaterialsGrade 1) Material: High quality carbon steel.Grade: 4.8, 5.8, 6.8, GR.2, A307.
2) Material: Alloy steel :20MnTiB ,40Cr ,42CrMo.

Grade:8.8,10.9,12.9 ,GR.2,GR.5,GR.8,

A325-1,A490-1 ,GR.B7,GR.B7M.

3) Material: stainless steel :302 ,304 ,305 ,316,304L ,316L ,410,430,carbon


Grade: A2-50 ,A4-50 , A2-70 ,A4-70 ,


Normal Size Size:M16-M64Length range:40mm-460mm,

as customer’s requirements

Surfacetreatment Part galvanization, Colorfulgalvanization, Army green

galvanization, Black galvanization,

Steam Black, Ash phosphorus, Brass,

Nickel plate, Chrome plate, hot

dipped galvanized, Zinc plated

(yellow, black, green) or according to

customers requirements.

The thicknessofgalvanized 550g/m2 (80µ),610g/m2 (85µ),1100 g/m2 (160µ), 1200 g/m2 (170µ),  according to consumers’ request
Features  high intensity,Great corrosionresistant, etc.
Certification ISO9001:2000
Standards DIN931/933/912/DIN603, ASTM, JIS,BSW, Nonstandard bolt (according

to your order) and etc.

Packing 25kgs per carton, 40 cartons perpallet; or 50kgs per gunny bag,

20bags per pallet; or as to

customers’ requirement.

Ordering requirements Other special specification as per client’s requirementor drawings


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