BIS Quality Control Order for Hand Tools - Open Ended Slugging Wrenches (Spanners)
IS 4508:1992
CONCERN MINISTRY: Ministry of Commerce and Industry,

Dear Viewer,
Important update regarding Indian Standard applicable to all existing Licence holders/ New applicants/ manufacturers/ importers/ product sellers for Hand Tools - Open Ended Slugging Wrenches (Spanners).
Open Ended Slugging Wrenches (Spanners) QCO Overview
The Ministry of Commerce and Industry (Department for Promotion of Industry and Internal Trade – DPIIT), Government of India, has issued the Hand Tools (Quality Control) Order, 2025 through Gazette Notification S.O. 5596(E) dated 4th December 2025. Under this notification, Open Ended Slugging Wrenches (Spanners) covered under IS 4508:1992 have been included under mandatory BIS certification requirements.
As per the notification, manufacturers of Open Ended Slugging Wrenches (Spanners) must ensure that their products conform to the specified Indian Standard and bear the Standard Mark (ISI Mark) under a valid BIS licence granted as per Scheme-I of BIS (Conformity Assessment) Regulations, 2018.
What is IS 4508:1992?
IS 4508:1992 is the Indian Standard specified for Open Ended Slugging Wrenches (Spanners). This standard covers the quality, dimensions, material specifications, performance requirements, and testing parameters for these hand tools to ensure safety, strength, durability, and reliable industrial performance.
Implementation Dates Under QCO
The QCO implementation dates for Open Ended Slugging Wrenches (Spanners) are as follows:
| Category | Implementation Date |
| General (Except MSMEs) | 1st October 2026 |
| Small Enterprises | 1st January 2027 |
| Micro Enterprises | 1st April 2027 |
Applicability of the QCO
The QCO applies to:
- Domestic manufacturers
- Foreign manufacturers exporting to India
- Importers, distributors, and sellers dealing in covered hand tools
However, products manufactured exclusively for export are exempted from this Order. Additionally, up to 200 units imported annually for research and development purposes are also exempted subject to prescribed conditions.
Importance of BIS Certification
BIS certification for Open Ended Slugging Wrenches (Spanners) ensures:
- Product quality and safety compliance
- Use of reliable and durable materials
- Compliance with Indian regulatory requirements
- Legal sale of products in the Indian market
- Consumer trust through ISI Mark certification
Penalty for Non-Compliance
Any person or manufacturer violating the provisions of this Quality Control Order may face penalties under the provisions of the Bureau of Indian Standards Act, 2016.
| Title | Issue Date | View Order |
| QCO Order | 04/12/2025 | View |
| QCO Order | 22/07/2025 | View |
| QCO Order | 17/09/2024 | View |
Bureau of Indian Standards
Manak Bhawan 9, B.S. Zafar Marg, New Delhi - 110002
Important Disclaimer
The contents provided in this update are solely meant for general informational purposes. Before you make decisions or take action based on the information provided, it is advised to seek professional legal consultation.

