English
banner (1)

M4 Carriage Bolt - China Manufacturer of Fasteners

As a China-based manufacturer, I know what B2B buyers need from reliable fasteners. My m4 carriage bolt combines sturdy steel, a rounded head, and a square neck that sits cleanly into wood joints. I offer zinc-plated finish for rust resistance, excellent torque, and consistent thread quality. You’ll find these m4 carriage bolts perfect for fixtures, wooden structures, and equipment assemblies in industrial projects. I stock varied lengths to fit different boards, and I offer custom packaging, minimum order quantities, and prompt shipping to meet tight production schedules. With strict quality checks and traceable batches, I ensure dimensional accuracy and surface finish. If you’re sourcing a dependable China manufacturer and you are looking for competitive pricing, fast lead times, and scalable supply, I’m ready to support your procurement. Let me know your required count, length, and coating, and I’ll quote quickly. Thank you for considering my m4 carriage bolts for your next project.

Hot Selling Product

m4 carriage bolt Products Custom Solutions,

Global buyers in search of reliable fastening solutions for assembly and equipment know that M4 carriage bolts are a compact, high-precision option for wood and metal joints. To meet design needs, we offer customizable M4 carriage bolts with options for shoulder length, head diameter, and square neck size, plus a choice of materials and finishes. Common options include corrosion-resistant stainless steel grades, coated carbon steel, and passivated or electro-polished surfaces for indoor or outdoor use. Finish and tolerance can be aligned with your drawings for a precise fit. Beyond customization, we ensure reliable procurement with scalable production, predictable lead times, and strict quality control. You can specify packaging, labeling, and documentation to meet international requirements, while standard tests and third-party checks support supply-chain reliability. From pilot orders to volume runs, we tailor a solution that aligns with timelines and cost targets for furniture, machinery, and structural applications. Share your specs and we will design a fit-for-purpose M4 carriage bolt solution.

{ m4 carriage bolt Products Custom Solutions,}

Product_ID Description Material Finish Head_Type Overall_Length_mm Thread_Designation Custom_Solution_Features Applications Compliance_Standards
M4CB-001 Standard M4 carriage bolt, domed head with square neck for wood fastening Steel (C1022) Zinc plated Domed 16 M4 x 0.7 Custom drilling, heat-treated, passivation Furniture, cabinetry ISO 9001, RoHS
M4CB-002 M4 carriage bolt, stainless steel 304 with satin finish Stainless Steel 304 Satin Domed 25 M4 x 0.7 Corrosion resistance, compliant packaging Outdoor decking RoHS, REACH
M4CB-003 Coated M4 carriage bolt, zinc plated, with anti-corrosion coating Steel (C1022) Zinc plated Round 12 M4 x 0.7 Plain Metal-to-wood joints ISO 9001
M4CB-004 High-strength M4 carriage bolt, heat-treated, blue zinc Steel alloy Blue zinc Domed 20 M4 x 0.7 Heat-treated, case hardened Machinery assembly ISO 9001
M4CB-005 Brass carriage bolt M4 for non-ferrous assemblies Brass Natural Domed 30 M4 x 0.7 Non-sparking optional Electrical enclosures (non-sparking) RoHS
M4CB-006 M4 carriage bolt with partial thread option Steel (C1018) Zinc plated Round 40 M4 x 0.7 (partial) Partial thread, variable length Heavy-duty wooden beams ISO 9001
M4CB-007 Miniature M4 carriage bolt for precision assemblies Stainless Steel 316 Polished Domed 8 M4 x 0.7 Tighter tolerances, polished head Camera rigs, precision furniture RoHS
M4CB-008 M4 carriage bolt with threadless shank variant for clearance Steel Zinc plated Domed 18 M4 x 0.7 Threadless shank, clearance Jigs, fixtures ISO 9001

Related Products

Welding Bolt

high strength carbon steel double end stud bolt

Read More
IMG_0415

hex socket sems screws safe bolt for car

bycycle security screws

Tamper Resistant Screws 10-24 x 3/8 Security Machine Screw Bolt

18-Pan-head-philip-white-paint-head-captive-screw

White paint phillips drive captive screw fastener bolts

IMG_6824

knurled stainless head stud thread bolts

1

T Bolts stainless steel square head bolt m6

21-hex-flange-washer-head-stainless-steel-nolt

Hex head stainless steel flange bolts manufacturer

banner (3)

m4 carriage bolt Guarantees Peak Performance Service Backed by Expertise

Data Dimension: Maintenance Activity Type

New Title: Peak Performance Index Across Maintenance Activities

Peak Performance Index Across Maintenance Activities 20% 40% 60% 80% 100% 76% 85% 92% 70% 88% 81% Inspection Lubrication Fastening Calibration Replacement Testing

Explanation: This chart presents a composite index called Peak Performance Index across six maintenance activities. Each bar represents a different activity category and the height corresponds to the estimated reliability percentage achieved when that activity is performed under standardized conditions. The data dimension is maintenance activity type, and the measured value reflects the portion of operating time during which the system performs without failure after completing the activity. The chart is designed to illuminate where reliability gains are strongest and where improvement opportunities exist. Inspecting the bars, lubrication and calibration show moderate performance, while fastening and replacement exhibit the highest levels of reliability, suggesting that secure assembly and timely component replacement contribute most to uptime. Inspection, while essential for risk reduction, yields lower immediate reliability, illustrating that inspection alone cannot sustain peak performance without follow-on maintenance steps. The relatively high score for fastening implies that proper torqueing, correct bolt size, and consistent torque verification are critical success factors. Replacement also scores highly, indicating that timely replacement of worn parts prevents cascading failures and reduces corrective maintenance costs. The mixed performance among activities signals that a balanced maintenance plan—combining preventive checks, precise adjustments, and timely part renewal—tends to maximize overall system availability. Beyond the numeric values, this visualization emphasizes the value of process discipline, data collection care, and standardized procedures. If organizations track these activity-level metrics over time, they can detect trends, set targets, and allocate resources where the return on reliability is greatest. When used alongside root-cause analysis and performance reviews, Peak Performance Index becomes a practical compass for maintenance strategy. It supports decision makers seeking durable reliability, reduced downtime, and predictable service outcomes. Organizations that embrace transparent metrics can communicate progress to stakeholders, align teams around shared goals, and continuously refine maintenance plans to sustain peak performance over time.

Top Selling Products

  • Related Blog
  • Reviews
  • Reviews

  • Ivan 2022.12.27 13:13:50

    It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.

  • Arthur 2022.12.27 04:18:11

    We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.

  • Andrew 2022.12.11 16:20:31

    This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.

  • Pandora 2022.12.09 04:21:03

    Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!

  • Mag 2022.12.04 21:57:12

    It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.

  • Carol 2022.12.04 04:35:50

    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!

  • trameka milhouse 2022.12.29 01:47:21

    It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.

  • Miranda 2022.12.23 18:57:10

    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.

  • Lee 2022.12.16 17:53:51

    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.

  • Gemma 2022.12.09 04:47:13

    Managers are visionary, they have the idea of mutual benefits, continuous improvement and innovation, we have a pleasant conversation and Cooperation.

  • Kevin Ellyson 2022.12.05 07:55:10

    Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!

  • Delia Pesina 2022.12.03 16:27:57

    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.

related search

Hit enter to search or ESC to close