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Bolts › Countersunk, Plow & Elevator Bolts

Galvanized Ring Groove Rivets Countersunk Head Lockbolt Rivet Lock Bolt Rivets

Updated 2026-11-03 · Markdown version

Model no. C50l

US$0.60100–999 pieces

US$0.0541,000–9,999 pieces

US$0.04810,000+ pieces

MOQ 100 pieces · Final price confirmed in your quote

Material: Stainless Steel, Steel
Head Style: Round
Standard: DIN, ANSI, GB, JIS, Bsw, GOST
Grade: Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9
Finish: Polishing
Non-Standards: OEM Is Available, According to Drawing or Samples
Diameter: 1/4"-2 1/2",M4-M64
Length: ≤800mm or 30"

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	Stainless Steel, Steel
Type	Mushroom Head
Model NO.	C50l
Connection	Common Bolt
Head Style	Round
Standard	DIN, ANSI, GB, JIS, Bsw, GOST
Grade	Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9
Application	Construction Industry
Finish	Polishing
Minimumorder (MOQ)	According to Customer Demand
Non-Standards	OEM Is Available, According to Drawing or Samples
Transport Package	Foam Bags / Cartons / Wooden Cases
Origin	China
Diameter	1/4"-2 1/2",M4-M64
Length	≤800mm or 30"
Thread	M,UNC,UNF
Packing	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Equipments	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability	1000 tons per month
Our productrange includes	Screws&Bolts,Nuts,Washers,CNC Turned Parts
We work with various materials such as	304/316 Stainless Steel,Carbon Steel,High-Strength Alloy Steel,Aluminum, Copper, and Titanium
Category	Countersunk, Plow & Elevator Bolts

Technical parameters

Bolt
Standard:	ASME/ANSI B 18.2.1,IFI149,DIN931,DIN933,DIN558, DIN601,DIN960, DIN961, ISO4014,ISO4017
Diameter:	1/4"-2 1/2",M4-M64
Length:	≤800mm or 30"
Material:	Carbon Steel, Alloy Steel, Stainless Steel, Brass
Grade:	SAE J429 Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9;A2-70,A4-70,A4-80
Thread:	M,UNC,UNF
Finish:	Plain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck.
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:	Structural Steel; Metal Buliding; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
Equipments:	Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability:	1000 tons per month

Description

Galvanized Ring Groove Rivets Countersunk Head Lockbolt Rivet Lock Bolt Rivets is part of our countersunk, plow & elevator bolts range (Bolts).

Key details

Type: Mushroom Head
Standard: DIN, ANSI, GB, JIS, Bsw, GOST
Material: Stainless Steel, Steel
Grade: Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9
Diameter: 1/4"-2 1/2",M4-M64
Thread: M,UNC,UNF
Length: ≤800mm or 30"
Head Style: Round

Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.048 – 0.60 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Galvanized Ring Groove Rivets Countersunk Head Lockbolt Rivet Lock Bolt Rivets?

The listed minimum order is 100 pieces, at US$0.048 – 0.60 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.60 for 100–999 pieces; US$0.054 for 1,000–9,999 pieces; US$0.048 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Galvanized Ring Groove Rivets Countersunk Head Lockbolt Rivet Lock Bolt Rivets?

Type: Mushroom Head; Standard: DIN, ANSI, GB, JIS, Bsw, GOST; Material: Stainless Steel, Steel; Grade: Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9; Diameter: 1/4"-2 1/2",M4-M64; Thread: M,UNC,UNF. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and finish. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other countersunk, plow & elevator bolts are available?

The Countersunk, Plow & Elevator Bolts category lists 533 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.048 – 0.60MOQ 100 piecesGet a quote WA