Custom Bolts Manufacturer


OEM Bolts Manufacturer & Custom Bolts Supplier

Bolts are one of the most essential fasteners used in construction, machinery, automotive, energy, and many other industries. At KENENG, we provide a complete range of standard and custom bolts, manufactured with high-quality materials and strict quality control to ensure strength, durability, and reliability.

Whether you need bulk orders for industrial projects or precision-engineered custom bolts, we deliver solutions that fit your requirements.

  • MOQ ≥1000 pcs; extra large sizes, special material or special purpose orders discussed separately
  • Wide range of bolts, metric, plow, structural, industrial, rock, forged, coil, shoulder, stud, foundation, Allen, U, J, eye, carriage, square, 12-point, collar, and custom bolts.
  • Support for special bolts and tailored designs to meet unique project needs.
  • ISO 9001 certified, Dun & Bradstreet accredited, patents and trademarks owned. IATF 16949 certification for automotive-grade requirements.
  • Reliable bolts manufacturing capacity with competitive pricing and global export experience.

Are You an OEM Manufacturer?

Yes

Bolts Display


Types of Bolts We Can Offer

As a bolts and nuts supplier, we can produce bolts such as flange bolts, 12 point bolts, square head bolts, carriage bolts, eye bolts, j bolts, u bolts, t bolts, high tensile bolts, hex bolts, foundation bolts, stud bolts, special bolts, blank bolts, shoulder bolts, coil bolts, forged bolts, rock bolts, structural bolts, plow bolts, etc.

Custom Bolts Options Available at KENENG

At KENENG, we don’t just manufacture bolts, we deliver fastening solutions that perfectly fit your engineering challenges. Standard bolts don’t always meet the requirements of demanding projects. That’s where our custom bolt service comes in.

Custom bolts are essential when:

  • Your design requires special lengths or diameters
  • You need enhanced strength or corrosion resistance
  • Your project involves unique materials or surface treatments

We specialize in custom sizes, unique materials, surface treatments, and strength grades, ensuring every bolt meets your exact requirements. Here’s what you can custom with us:

We can customize bolts made of various materials, Including:

bolts

We offer bolts in a wide range of sizes to meet diverse engineering and industrial requirements:

  • Diameter: M1-M100
  • Length: 2mm-3000mm
Plate bolts

We offer bolts that comply with a wide range of material grade, including:

  • 4.8
  • 6.8
  • 8.8
  • 9.8
  • 10.9
  • 12.9
Grade 8 hex bolts

We offer a variety of bolt finishing options to enhance durability and corrosion resistance, including:

  • Salt spray test at least 24 hours (except black).
  • Plating (Electro galvanizing, Hot dip galvanized, Nickle)
  • Black oxide
  • Dacrome
Stainless steel bolts

We are able to provide various bolt standards.

  •  GB
  • Q(Automobile Standard)
  • DIN
  • ASME
  • ANSI
  • BS
  • EN
  • ISO
  • JIS
Stainless Steel Anchor Bolt

We offer a wide variety of bolt head types to suit different applications, including:

  • Hexagon head
  • Socket head
  • Square head
  • T head
  • Flat head
  • Countersunk head, etc.
galvanized steel bolts

We provide a variety of bolt drive types to meet different installation needs, including:

  • HEX
  • Inner hexagon, etc.
Hexagon Bolt With Wire Holes On Head
Production equipment for Bolts

Send us your drawings or specifications today and get tailored fastening solutions for your project!

Explore Our Customized Bolts Case Products

See how KENENG turns unique customer requirements into reliable, high-quality fastening solutions:

Double-ended Bolts-1

Double-ended Bolts with Left-hand and Right-hand Threads

Hexagon Carbon Steel Bolt

Hexagon Carbon Steel Bolts

Extra-long and Extra-large Bolts

Extra-long and Extra-large Bolts

Tail-drilled Bolt

Tail-drilled Bolts

Hough-wall Bolts

Hough-wall Bolts

Wedge Anchor Bolts Supplier

Wedge Anchor Bolts

double-ended bolts

Double-ended Bolts

carbon steel anchor bolts

Carbon Steel Anchor Bolts

Hinge bolt supplier

Hinge Bolt

Custom Hexagon Bolts

Hexagon Bolts

Ball Head Bolt

Ball Head Bolt

Stainless Steel Anchor Bolt

Stainless Steel Anchor Bolt

Fluted Flange Bolt Supplier

Fluted Flange Bolt

Torx head flange machine bolts

Torx Head Flange Machine Bolts

Cross Hex head SEMS bolts

Cross Hex Head SEMS Bolts with Washers

Hexagon Bolts With Wire Holes On Head

Hexagon Bolts With Wire Holes On Head

J-bolt

Custom J-Bolt

U bolt supplier

Custom Blue U-bolt

High tensile PTFE coated Stud Bolt

High Tensile PTFE/Xylan/Teflon Coated Stud Bolts

U-Bolt with Nut

U-Bolt with Nuts

t-slot bolts

T-Slot Bolts

swing bolts supplier

Swing Bolts

Slot Head Hexagon Bolt

Slot Head Hexagon Bolts

Hot Dip Galvanized(HDG) Socket Cup Head Bolt Manufacturer

Hot Dip Galvanized(HDG) Socket Cup Head Bolt

904L Stainless Steel Double End Studs

904L Stainless Steel Double End Studs

The Order Process of Custom Bolts

OEM: Receive pictures or samples

  • Design & drawing process
  • Make sample, approval by customer
  • Confirm the order details
  • Signing PI
  • Receive deposit
  • Mass production
  • Receive balance
  • Deliver

ODM Customer has no design:

  • Design & drawing process
  • Quotation
  • Payment of design fee
  • Make CAD or 3D design
  • Make sample, approval by customer
  • Confirm the order details
  • Signing PI
  • Receive deposit
  • Mass production
  • Receive balance
  • Deliver

ODM Customer has design:

  • Receive design
  • Quotation
  • Payment of design fee
  • Make a CAD or 3D design
  • Make sample, approval by customer
  • Confirm the order details
  • Signing PI
  • Receive deposit
  • Mass production
  • Receive balance
  • Deliver

Related Fasteners Products

Why Choose KENENG for Screw Customization?

Strong Manufacturing Capability

Equipped with lathes, punching machines, sawing machines, thread rolling machines, and more than 500 advanced production and testing devices from Japan, Switzerland, the U.S., and Taiwan.

Comprehensive Production Process

From cold heading, stamping, CNC machining, hot forging, turning, and heat treatment to electroplating, die casting, and injection molding, ensuring precision at every step.

High Production Capacity

Monthly output exceeds 10 million pieces, meeting both small and large-scale orders efficiently.

Strict Quality Assurance

Advanced testing methods, including salt spray, film thickness, and complete inspection reports, guarantee excellent product quality.

Screw production process

What Processes Can We Use to Produce Bolts?

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Injection Molding Parts

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Production Equipment for Bolts

Application Industries of Bolts

We are a wheel bolt manufacturer, automotive bolts and nuts supplier, and furniture nuts and bolts supplier. Bolts can be widely used in automotive, furniture, elevator, aerospace, and other fields.

News of Bolts

FAQ of Bolts

Hexagonal Bolts/Nuts/Flat Washers/Spring Washers/U-bolts Thread Rod.

Yes, we can produce according to drawing or sample.

  • Pre-production sample before mass production.
  • Final Inspection before shipment.

Yes, for big orders, and frequent customers, we give reasonable discounts.

L/C, T/T, Western Union, etc.