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Mô tả Sản phẩmPozidriv Flat Head Chipboard ScrewIdeal for fiberboard, MDF, plywood and wood panels. Widely used in furniture manufacturing, interior decoration, cabinets and decorative panel fixing.
Flush finish without extra grinding. Special cutting slots reduce board chipping. Smooth driving, anti-slip. Complete size range. Thông số kỹ thuật

Material	AISI 1018–1022
Size Range	3.0×10mm – 30mm 3.5×10mm – 50mm 4.0×12mm – 80mm 5.0×16mm – 125mm
Surface Hardness	HV 550–800
Core Hardness	HV 300–450
Case Depth (Carburizing Depth)	≥ 0.08mm
Torsional Strength	M3: ≥16 N·m M3.5: 25–28 N·m M4: 33–42 N·m M4.5: 40–50 N·m M5: 60–75 N·m M6: 108 N·m

Size	Head Diameter(DK)		Head Thickness(M)		Q	T		P	D
	Basis Size	Tolerance	Basic Size	Tolerance	ref	Max	Min		Max
M3	6.0	-0.5	1.75	-0.3	3.5	1.43	0.91	1.35	3.00
M3.5	7.0		2.00		4.0	1.93	1.40	1.60	3.50
M4	8.0		2.30		4.4	2.33	1.79	1.80	4.00
M4.5	9.0	-0.6	2.55		4.8	2.73	2.19	2.00	4.50
M5	10.0		2.80		5.0	2.93	2.38	2.20	5.00
M6	12.0	-0.7	3.40	-0.4	6.6	3.26	2.70	2.60	6.00

Sản phẩm chínhHồ sơ công tyFounded in 1982, Guangdong Highsun Hardware Technology Co., Ltd. is a modern joint-stock enterprise specializing in the R&D, production, and global sales of precision fasteners and hardware components. With over 40 years of craftsmanship heritage, the company strategically upgraded and relocated to Qingyuan in 2017, launching a full-industry-chain intelligent manufacturing upgrade. The new Qingyuan intelligent manufacturing base was completed in December 2024 and commenced trial production in February 2025. The old Jiexi factory has been fully shut down, with all production capacity, equipment, technology, and teams transferred to the new park. Covering a land area of 57,267 m² with a building area of 38,207 m², the new facility represents a total investment of RMB 300 million and comprises 12 standardized industrial buildings. It achieves full in-house production processes including wire drawing, forming, heat treatment, electroplating, inspection, and packaging—with zero outsourcing, ensuring stable quality, reliable delivery, and cost advantages. Designed for large-scale intelligent manufacturing, the base has an annual production capacity of 100,000 tons, with an estimated annual output value exceeding RMB 1.2 billion. The product portfolio covers standard and customized fasteners widely used in construction, furniture, machinery, and mechanical equipment industries, sold nationwide and exported globally. The company strictly follows the ISO9001 quality management system to meet both domestic and international standards. Core Advantages 40+ years of manufacturing heritage with proven craftsmanship and solid reputation
Full closed-loop industrial chain with independent control over all processes
Annual capacity of 100,000 tons to support large-volume orders
Intelligent production equipment and standardized quality control
Mature domestic sales network and stable global export channels
Future Outlook
Highsun will continue to focus on intelligent manufacturing, high-end product upgrading, brand specialization, and global market expansion. By gradually ramping up full capacity and optimizing product precision and performance, the company aims to become a leading fastener manufacturer in South China, providing one-stop reliable fastening solutions for global clients.CÂU HỎI THƯỜNG GẶPQ1:What are your main products? Can you supply ANSI and DIN standard items? Do you accept custom orders? A1:Our main products include self-drilling screws, chipboard screws, self-tapping screws, class 12.9 metric screws and stainless-steel screws, which are widely used for furniture, infrastructure and machinery applications. We are able to produce GB, ANSI and DIN standard specifications. Besides standard stock products, we are happy to support custom requirements such as special head styles, thread sizes, unique coatings and personalized packaging.   Q2: What coatings can you offer? A2: In-house coatings: electro-galvanizing, phosphating and nickel-plating. Dacromet and hot-dip galvanizing are processed by qualified external partners. Normal passivation includes blue-white and color passivation. Enhanced salt-spray performance can be provided per customer requirements.     Q3: Can you provide test reports and material certificates? Do you have quality-system certification? A3: We implement ISO9001 quality management system. Material certificates are available for each batch. Salt-spray test and mechanical-property test reports can be supplied.     Q4: What is your factory capacity? Where is your production base? A4: All production is located at our Qingyuan base. The full-design annual capacity reaches 100,000 tons. Capacity is released in phases, and we can handle large-volume long-term contract orders. Q5: What is your MOQ?
A5: For standard self drilling screws, chipboard screws and wall-board screws, our MOQ is 1-2 tons. A higher MOQ may apply for non-standard items, special coatings and custom packaging. We will confirm details based on your exact product specifications.
 
Q6: What is the production lead-time after order placement?
A6: Normally it takes 3-5 days for regular stock orders, 15-25 days for large-volume standard orders and 20-35 days for non-standard custom products. The exact lead-time will be subject to the schedule confirmed on the official PI.
 
Q7: Which shipping ports do you use? Can you accept FOB and CIF terms?
A7: Our main shipping ports are Nansha of Guangzhou, Shekou and Yantian of Shenzhen. We accept trade terms including FOB, CIF, CFR and EXW. We can also work with your appointed forwarder if you require.
 
 
Q8: What is your standard packing? Can you print customer-specific logos?
A8: Our standard packing is inner box plus export corrugated carton. Custom-printed logos and labels are welcome for your branding needs.
 
Q9: What are your payment terms?
A9: For new customers: 30% T/T advance deposit, balance against copy of bill of lading. Terms can be negotiated for long-term key customers.
 
Q10: How long is your quotation valid?
A10: Quotation is valid for 15 days. Steel raw-material prices fluctuate, so prices need to be re-confirmed after expiry.
 
Q11: What if defective goods are received?
A11: Please provide clear photos and sample evidence within the agreed period after receipt. If defects are confirmed to be manufacturing-related, we will either send replacement goods or deduct the corresponding value from your next order. Indirect losses caused after product installation will not be covered.
 
Q12: How to handle shortage of goods?
A12: Please provide complete unboxing video and packing list. Once shortage is verified, we can arrange free reshipment or make-up quantity in your subsequent order.