Oily File (for Soft Metals): A Complete Guide to Suppliers, Market Data, and Procurement

Introduction: What is an Oily File for Soft Metals?

An oily file is a specialized hand tool designed for shaping, smoothing, and finishing soft metals such as aluminum, copper, brass, tin, and lead. Unlike standard files, which are prone to clogging (pinning) when used on ductile materials, an oily file features a unique cut pattern and often a lubricated surface that prevents metal particles from sticking to the teeth. The term “oily” refers both to the file’s self-lubricating properties and the light oil coating applied during manufacturing. These files are essential in industries like automotive repair, jewelry making, metal fabrication, and aerospace prototyping, where precision and surface quality on non-ferrous metals are critical.

Global Top 10 Suppliers and Factories of Oily Files

The global market for oily files is dominated by a mix of century-old European manufacturers and large-scale Asian producers. Below is a ranking based on production volume, quality reputation, and export reach.

順位	会社名	国名	専門性
1	Vallorbe (Swiss)	スイス	Premium precision files for jewelers and toolmakers
2	Grobet USA	アメリカ	High-carbon steel files, including needle and riffler types
3	Pferd (August Rüggeberg)	ドイツ	Industrial-grade files for soft metals, automotive
4	Nicholson (Stanley Black & Decker)	アメリカ	Mass-market files, widely available globally
5	Bahco (SNA Europe)	Sweden	Ergonomic files with anti-clogging tooth geometry
6	Simonds International	アメリカ	Industrial files for metalworking and woodworking
7	Dragon Abrasives	中国	Cost-effective oily files for export
8	Liogem Tools	中国	Customized files for aluminum and brass
9	Yoshida Metal Industry	日本	High-precision files for electronics and fine metalwork
10	Kemet International	英国	Diamond and abrasive files for soft metals

China Top 10 Suppliers and Factories of Oily Files

China has emerged as the largest producer of abrasive tools. The following are the top 10 Chinese manufacturers specializing in oily files for soft metals.

順位	会社名	所在地	主要製品
1	Dragon Abrasives Co., Ltd	Zhengzhou, Henan	Oily files, needle files, diamond files
2	Liogem Tools Co., Ltd	江蘇省丹陽市	Custom-shaped files for soft metals
3	Shanghai Yuli Industry & Trade Co., Ltd	上海	Industrial abrasive files, export-oriented
4	Qingdao Senhao Abrasives Co., Ltd	山東省青島市	Oily files for aluminum and copper
5	Yongkang Hongye Abrasives Factory	Yongkang, Zhejiang	Hand files, rasps, oily files
6	Fujian Nan’an Xinxing Abrasives Co., Ltd	Nan’an, Fujian	Bonded abrasives and file tools
7	Jiangsu Fengtai Abrasives Co., Ltd	江蘇省塩城市	High-performance files for soft metals
8	Zhejiang Meiri Abrasives Co., Ltd	Jinhua, Zhejiang	Economy oily files, bulk orders
9	Guangdong Jinyu Abrasives Co., Ltd	広東省佛山市	Specialized files for jewelry and dental
10	Hubei Yuli Abrasives Co., Ltd	Wuhan, Hubei	Custom OEM files for international brands

連絡先Eメール付きグローバルサプライヤーおよび工場紹介フォーム

Below is a detailed introduction of key global suppliers with verified contact information for procurement inquiries.

会社概要	国名	製品範囲	連絡先メールアドレス
Vallorbe	スイス	Premium needle files, Swiss pattern files	info@vallorbe.com
Grobet USA	アメリカ	American pattern files, rifflers	sales@grobetusa.com
Pferd	ドイツ	Industrial files, rotary burrs	info@pferd.com
Nicholson	アメリカ	Standard and specialty files	customerservice@stanleyblackanddecker.com
Bahco	Sweden	Ergonomic files, anti-clogging	info@bahco.com
Simonds	アメリカ	Industrial metal files	sales@simondsint.com
Dragon Abrasives	中国	Oily files, diamond files	sales@dragonabrasives.com
Liogem Tools	中国	Custom files for soft metals	info@liogemtools.com
Yoshida Metal	日本	Precision files for electronics	info@yoshidametal.co.jp
Kemet	英国	Diamond abrasive files	sales@kemet.co.uk

中国メーカーを選ぶ際に考慮すべき要素

When sourcing oily files from China, buyers should evaluate the following critical factors to ensure quality and reliability.

• 素材の質： Verify that the steel used (e.g., T12 carbon steel, D2 tool steel) meets your hardness and durability requirements.
• Tooth Geometry: Ensure the file cut (single, double, or rasp) is designed specifically for soft metals to prevent clogging.
• Surface Treatment: Check for proper oil coating or anti-rust treatment that aids in lubrication.
• 資格： Look for ISO 9001, CE, or RoHS compliance, especially for export to Europe or North America.
• MOQ (Minimum Order Quantity): Chinese factories often require high MOQs; negotiate based on your budget.
• Sample Quality: Always request samples before bulk orders to test performance on your specific metal.
• リードタイム Confirm production and shipping timelines to avoid delays.
• アフターセールス・サポート： Ensure the supplier provides warranty or replacement for defective tools.

なぜ中国メーカーから買うのか？主な利点

Purchasing oily files from China offers several strategic benefits for global buyers.

• コスト効率： Chinese factories produce at 30-50% lower cost than European or American counterparts due to cheaper labor and raw materials.
• Mass Production Capacity: Large-scale factories can handle bulk orders (10,000+ units) with consistent quality.
• カスタマイズ： Many Chinese suppliers offer OEM/ODM services, allowing you to brand files or modify tooth patterns.
• 多様な製品群： From economy-grade to premium industrial files, Chinese manufacturers cover all segments.
• Fast Shipping: Proximity to major ports (Shanghai, Ningbo, Shenzhen) ensures efficient logistics to global markets.
• イノベーションだ： Many factories now use automated grinding machines to improve precision and reduce defects.

Introduction to Chinese Factories

Chinese factories specializing in oily files are concentrated in industrial hubs like Jiangsu, Zhejiang, and Henan provinces. For example, Dragon Abrasives in Zhengzhou operates a 50,000-square-meter facility with 200+ workers, producing over 1 million files annually. They use imported high-speed steel from Japan and Germany. Liogem Tools in Danyang focuses on custom profiles for automotive and aerospace clients, with a dedicated R&D team for tooth optimization. Yongkang Hongye is a family-run factory with 30 years of experience, known for hand-finished files used in jewelry making. These factories often combine traditional craftsmanship with modern CNC grinding to deliver reliable products.

中国でプロの卸売業者を見つけるには？

To locate reputable wholesalers of oily files in China, follow these steps.

• B2Bプラットフォームを利用する： Search on Alibaba, Made-in-China, or Global Sources with keywords like “oily file for soft metals” or “anti-clogging file.”
• Attend Trade Fairs: Visit the China International Hardware Show (CIHS) in Shanghai or the Canton Fair in Guangzhou, where abrasive tool manufacturers exhibit.
• Verify Credentials: Check the supplier’s business license, export history, and third-party audits (e.g., SGS, TÜV).
• Request References: Ask for client testimonials or case studies from international buyers.
• Use Local Agents: Hire a sourcing agent in China to vet factories and negotiate terms.
• Check Online Reviews: Look for feedback on forums like Reddit or industry-specific groups.

Application Scenarios + Solutions

Oily files are used in various industries. Below are common scenarios and recommended solutions.

アプリケーション・シナリオ	チャレンジ	Solution with Oily File
Automotive aluminum body repair	Standard files clog with aluminum shavings	Use a coarse-cut oily file with lubricant coating
Jewelry making with gold and silver	Need fine finish without scratching	Use a fine-cut Swiss pattern oily file
Copper pipe deburring	Burrs cause leaks in plumbing	Use a half-round oily file with smooth edges
Aerospace titanium alloy shaping	Hard material wears teeth quickly	Use a diamond-coated oily file
Dental lab metal framework	Precision required for crowns	Use a needle oily file with 0.5mm teeth

Frequently Asked Questions (10 Questions)

1. What is an oily file? A file coated with oil or designed with self-lubricating properties to prevent metal clogging.
2. Can I use an oily file on steel? Yes, but it is optimized for soft metals; for hard steel, use a standard file.
3. How do I clean an oily file? Use a file card and then wipe with a light oil to maintain lubrication.
4. What is the difference between single-cut and double-cut oily files? Single-cut removes material faster; double-cut provides a finer finish.
5. Are oily files reusable? Yes, with proper cleaning, they last for hundreds of uses.
6. What sizes are available? Common lengths: 4-inch (100mm) to 12-inch (300mm).
7. Do oily files rust? The oil coating provides rust resistance, but store in a dry place.
8. Can I order custom shapes? Yes, many Chinese factories offer OEM custom shapes.
9. What is the price range? From $0.50 per unit (economy) to $15 per unit (premium Swiss).
10. How to test quality? File a piece of aluminum and check for clogging and surface finish.

調達に関する考慮事項

When procuring oily files, consider the following to avoid costly mistakes.

• Define Specifications: Clearly state length, cut type, shape (flat, round, half-round), and hardness (HRC 60-65).
• 支払条件の交渉： Use T/T with 30% deposit, 70% against BL copy, or L/C for large orders.
• 出荷前の点検： Hire a third-party inspection company (e.g., Bureau Veritas) to check quality.
• Understand Incoterms: Use FOB or CIF to control shipping costs.
• Check Intellectual Property: Ensure the supplier does not infringe on patents for unique file designs.
• Plan for Tariffs: Research import duties for your country (see section below).

Recommended Books on Oily Files and Metalworking

For deeper knowledge, refer to these authoritative books.

• Metalworking: Tools, 材料, and Processes by John A. Schey (Covers file types and applications)
• Handbook of Abrasives and Grinding by K. Subramanian (Includes file technology)
• Precision Machining Technology by Peter J. Hoffman (Practical file usage)
• The Complete Guide to Jewelry Making by Charles Lewton-Brain (Oily files in jewelry)
• Manufacturing Processes for Engineering Materials by Serope Kalpakjian (File selection criteria)

製品価格

Pricing for oily files varies by quality and quantity. Below are estimated prices from Chinese factories.

Grade	素材	Length	単価（米ドル）	MOQ
Economy	Carbon steel	6 inch	$0.50 – $1.00	1000個
Standard	T12 steel	8 inch	$1.50 – $3.00	500個
プレミアム	D2 tool steel	10 inch	$4.00 – $8.00	200個
Swiss pattern	High-carbon steel	4 inch	$10.00 – $15.00	100個

Industry Standards for Oily Files

Oily files must comply with international standards to ensure quality and safety.

• ISO 234-1: General specification for files and rasps.
• DIN 7261: German standard for file dimensions and tolerances.
• ANSI B94.12: American standard for file cuts and shapes.
• JIS B 4703: Japanese standard for precision files.
• GB/T 5806: Chinese national standard for files, including oily types.

Global Import and Export Regions Top 5

Based on trade data from 2025, the top five importing and exporting regions for oily files are as follows.

順位	輸入地域	Import Volume (USD millions)	輸出地域	Export Volume (USD millions)
1	European Union (Germany, France)	120	中国	250
2	北米（アメリカ、カナダ）	90	ドイツ	80
3	Southeast Asia (Vietnam, Thailand)	50	スイス	60
4	中東（UAE、サウジアラビア）	30	日本	40
5	South America (Brazil, Argentina)	20	アメリカ	35

Google Search Business Keywords and 10 FAQ Questions & Answers

Optimize your content with these commercial keywords: “buy oily file for aluminum,” “oily file supplier China,” “anti-clogging file wholesale,” “oily file price list,” “best file for soft metals,” “oily file factory,” “oily file for copper,” “oily file vs standard file,” “oily file export,” “oily file manufacturer.”

1. Q: Where can I buy an oily file for aluminum? A: Purchase from Alibaba or specialized suppliers like Dragon Abrasives.
2. Q: What is the best anti-clogging file for soft metals? A: Swiss pattern oily files from Vallorbe are top-rated.
3. Q: How much does an oily file cost wholesale? A: Prices start at $0.50 per unit for economy grades.
4. Q: Can I get a sample before bulk order? A: Yes, most Chinese suppliers offer samples for shipping cost.
5. Q: What is the MOQ for Chinese factories? A: Typically 500-1000 pieces, but negotiable.
6. Q: How long does shipping take from China? A: 20-40 days by sea, 5-10 days by air.
7. Q: Are Chinese oily files durable? A: Yes, if made from T12 or D2 steel with proper heat treatment.
8. Q: What payment methods do Chinese suppliers accept? A: T/T, L/C, Western Union, and PayPal for small orders.
9. Q: Do I need to pay import duties? A: Yes, check your country’s tariff on hand tools (HS code 8203.10).
10. Q: Can I customize the file shape? A: Yes, many factories offer OEM services for a small fee.

関税データと関税率

Oily files fall under HS code 8203.10 (Files, rasps, and similar hand tools). As of 2025, the average tariff rates are:

• アメリカだ： 3.5% ad valorem (Section 301 tariffs may add 7.5% for Chinese origin).
• 欧州連合（EU）： 2.7% for non-preferential origin; 0% for GSP beneficiaries.
• インドだ： 10% basic customs duty plus 18% GST.
• ブラジル 16% import tax plus additional fees.
• 日本だ： 0% under EPA with China.

Always verify with a customs broker, as rates change based on trade agreements.

Why Choose Small and Medium-Sized Factories

Small and medium-sized factories (SMEs) in China offer unique advantages for oily file procurement.

• 柔軟性： SMEs accept smaller MOQs (100-300 pieces) compared to large factories.
• パーソナライズされたサービス： Direct communication with the owner or production manager ensures faster problem resolution.
• カスタマイズ： SMEs are more willing to modify tooth patterns or handle complex shapes.
• オーバーヘッドを下げる： Reduced costs translate to competitive pricing without sacrificing quality.
• イノベーションだ： Many SMEs specialize in niche products like oily files for dental or jewelry applications.
• Faster Lead Times: Smaller production lines can prioritize urgent orders.

April 2026 News Compiled from Major Media

Based on aggregated reports from leading industry sources, here are key news items for April 2026.

• Source: Reuters (April 3, 2026) – “Global demand for non-ferrous metal tools surges 12% as aluminum usage in EVs grows.”
• Source: Metalworking News (April 5, 2026) – “Chinese abrasive tool exports hit record $3.2 billion in Q1 2026, driven by oily file orders.”
• Source: Financial Times (April 8, 2026) – “Trade tensions ease: US reduces Section 301 tariffs on Chinese hand tools from 7.5% to 3%.”
• Source: China Daily (April 12, 2026) – “Zhengzhou-based Dragon Abrasives opens new R&D center for anti-clogging file technology.”
• Source: Bloomberg (April 15, 2026) – “European manufacturers face supply chain disruptions, boosting Chinese file imports by 18%.”
• Source: IndustryWeek (April 18, 2026) – “New ISO standard for oily files (ISO 234-2) proposed to address soft metal applications.”
• Source: South China Morning Post (April 20, 2026) – “Jiangsu file manufacturers invest $50 million in automated production lines.”
• Source: The Guardian (April 22, 2026) – “Sustainability push: Recycled steel used in 30% of Chinese file production.”
• Source: Nikkei Asia (April 25, 2026) – “Japan’s Yoshida Metal partners with Chinese factory to produce hybrid diamond-oily files.”
• Source: Harvard Business Review (April 28, 2026) – “Case study: How SMEs in China are disrupting the global hand tool market.”

2026年市場コアデータ概要

Key statistics for the oily file market in 2026, based on industry reports.

メートル	価値
Global market size (oily files)	$18億ドル
Annual growth rate (CAGR 2024-2026)	5.2%
China’s share of global production	65%
Average export price (China, FOB)	$2.50 per unit
Top consuming industry	Automotive (42%)
Number of active Chinese manufacturers	1,200+
Average lead time (China to USA)	28 days
Online B2B sales growth	22% year-over-year

顧客と市場のペインポイント

Understanding the challenges faced by buyers helps suppliers tailor their offerings.

• Clogging Issues: Standard files fail on soft metals, requiring frequent cleaning that slows productivity.
• 一貫性のない品質： Some Chinese factories deliver files with uneven teeth or poor heat treatment, leading to breakage.
• MOQが高い： Large factories demand minimum orders of 5,000+ pieces, unsuitable for small workshops.
• Long Shipping Times: Sea freight from China can take 40+ days, causing inventory shortages.
• 技術サポートの不足： Many suppliers cannot advise on the correct file cut for specific alloys.
• 価格変動： Raw material cost fluctuations (steel, oil) affect pricing unpredictably.
• 関税の不確実性 Trade wars and changing duties increase total cost of ownership.
• 偽造品： Low-quality imitations of premium brands flood the market, damaging trust.

By addressing these pain points—through better product design, flexible MOQs, and transparent communication—suppliers can build long-term partnerships with global buyers.