IS 5187 BIS Certification for Flush Bolts
Flush Bolts made, imported or sold in India must be certified against IS 5187 under an ISI mark licence (Scheme-I). What the standard covers, how testing works and how to get the licence.
About IS 5187
| Standard | IS 5187: 1972 |
|---|---|
| Title | Flush Bolts |
| Product covered | Flush Bolts |
| Category | Bolts, Nuts and Fasteners |
| Scheme | ISI mark licence (Scheme-I) |
| Notified under | Bolts, Nuts and Fasteners (Quality Control) Order, 2023, S.O. 3267(E), dated 21st July 2023 · Order PDF |
Editions and amendments of IS 5187
| Edition | Published | Status |
|---|---|---|
| IS 5187:1972 Specification for flush bolts (First Revision) | 30 Nov 1972 | Current, next review 20 Jan 2031 |
Amendments:First Amendment (1979). Test reports must reflect the standard with its amendments.
Sampling and key tests for IS 5187
From the BIS product manual for IS 5187, which BIS officers and applicants follow for certification:
Sample quantity:6 Nos.
Raw material requirements:
- Extruded Brass for Bolt - as per IS 319 Steel strip for Spring- as per IS 2507
Tests BIS can carry out in a day during factory inspection:
- All tests
The full type test covers every clause of IS 5187; the list above is what can be checked on site.
Testing against IS 5187
BIS inspects the factory and has samples tested to the full Indian Standard at a BIS or BIS-recognised laboratory. After grant, the factory keeps testing production under the Scheme of Inspection and Testing, and BIS draws factory and market samples.
The test report has to cover every clause of IS 5187 that applies to the product, in the edition current on the date of testing. When BIS revises IS 5187 or replaces it with a new edition, existing licence holders move to the new edition by the date BIS sets in its notification.
How to get an ISI mark licence under IS 5187
The licence is granted to the manufacturer for a specific factory and product. Indian factories apply under Scheme-I; overseas factories apply under the Foreign Manufacturers Certification Scheme (FMCS) and must nominate an Authorised Indian Representative.
- Confirm the exact Indian Standard and the varieties to cover
- Get the product tested at a BIS-recognised lab (simplified procedure) or arrange BIS sampling
- Apply on Manak Online with factory, quality-control and test documents
- BIS factory inspection and sample verification
- Grant of licence, then marking with the ISI mark and CM/L number
Timeline. BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.
Fees. Application fee ₹1,000 and annual licence fee ₹1,000, inspection charges of ₹7,000 per man-day, testing charges, and an annual minimum marking fee set for each Indian Standard (with concessions for micro and small units).
Mark. Certified products carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.
Frequently asked questions
What does IS 5187 cover?
IS 5187: 1972: Flush Bolts. BIS has made certification against it compulsory for flush bolts.
Is BIS certification under IS 5187 mandatory?
Yes, for flush bolts, under the Bolts, Nuts and Fasteners (Quality Control) Order, 2023, S.O. 3267(E). The product needs a valid BIS licence (ISI mark) and must carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.
Where is a product tested for IS 5187?
BIS inspects the factory and has samples tested to the full Indian Standard at a BIS or BIS-recognised laboratory. After grant, the factory keeps testing production under the Scheme of Inspection and Testing, and BIS draws factory and market samples.
How long does IS 5187 BIS certification take?
BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.
Other standards in Bolts, Nuts and Fasteners
- IS 204 2 products
- IS 281 Mild Steel Sliding Door Bolts for Use with Padlocks
- IS 1284 Wrought Aluminium Alloy Bolt and Screw Stock for General Engineering Purposes
- IS 1363 3 products
- IS 1364 2 products
- IS 2681 Non-ferrous Metal Sliding Door Bolts (aldrops) for Use with Padlocks
- IS 3757 High Strength Structural Bolts
- IS 4621 Indicating Bolts for Use in Public Baths and Lavatories
- IS 6623 High Strength Structural Nuts
- IS 7534 Sliding Locking Bolts for Use with Padlocks
Source: BIS lists of products under compulsory certification (Scheme-I, Scheme-II), checked October 2026. See the full BIS product list or all Indian Standards.
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