Illustrative drawing. Actual product is confirmed to your specification at quotation.
Screws
Self-Tapping Screws
Self-tapping screws have a hardened, sharp thread that forms the mating thread in a pre-drilled hole. Type AB, B and C threads suit different thickness and materials. They are available with pan, countersunk and hex heads.
- Forms its own thread
- Pre-drilled pilot hole needed
- Pan, countersunk and hex heads
Specifications
- Material
- Case-hardened carbon steelStainless steel A2 (AISI 304)
- Grade / property class
- Case hardenedA2 / A4
- Thread
- Self-tapping (ST)
- Finish / coating
- Zinc plated (clear / yellow)Black oxidePlain
- Size range
- Up to M6M8–M12
- Standards
- ISO 1478 (ST thread)ISO 1481 / ISO 7049DIN 7981ASME B18.6.4
Exact dimensions, lengths and availability are confirmed at quotation.
Applications
- Sheet-metal enclosures
- HVAC and ducting
- Appliances and electrical panels
- Plastic housings
- Vehicle body panels
Related and complementary fasteners
Request a quote for Self-Tapping Screws
Give us the size, grade, finish and quantity. We reply within one business day.
Common questions
- Which sizes and grades of self-tapping screws do you supply?
- We supply self-tapping screws in Up to M6, M8–M12 size bands and grades/classes including Case hardened, A2 / A4. Exact availability, dimensions and lead time are confirmed at quotation.
- Which standards do self-tapping screws follow?
- Common standards are ISO 1478 (ST thread), ISO 1481 / ISO 7049, DIN 7981, ASME B18.6.4. Tell us the standard you need and we will quote to it.
- Can you supply in bulk or with test certificates?
- Yes. We quote for loose lots and scheduled bulk supply across India, and can share manufacturer test certificates where available. Confirm the requirement when you request a quote.
Need a quote on bulk or custom industrial supply?
Share your specifications and quantities — our technical team will respond with pricing and lead time within one business day.