Product Details
ISO7049 DIN7981 pan head Self tapping screws
This International Standard specifies the characteristics of Cross
recessed pan head tapping screws with thread sizes from ST 2,2 to
ST 9,5 inclusive.
Surface hardness:The minimum surface hardness after heat treatment
shall be 450 HV 0,3
Core hardness:The core hardness af?er heat treatment shall be
270 HV 5 to 390 HV 5 for threads S ST3,9, and
270 HV 10 to 390 HV 10 for threads > ST4,2.
Self tapping screws Dimensions
Company Profile
Shanghai Summery Industrial Machine Co. , Ltd.
Shanghai summery industrial machine Co.,Ltd was established in
2006,it is located at Shanghai,which is the most vigorous city in
world.
As a one-stop-stop,we can
manufacture,marketing,design,research and develop,we stand for
reliable technology and the flexibility to cater to your needs.The
staff in our proactive sales and service team is highly trained,we
can get the most suitable supplier needs and delivering the
customized to our business partner’s that make them successful.And
also our quick response service that is unsurpassed in expertise
and reliability.
We have good sense of customer priority our experience and
expertise allows our team to fully assess the technical and
commercial viability of products.We place great on quality and
reliability and it has earned us enormous respect and admiration
within automobile,railtransit,new
energy,electronics.mechanical,industrial robot and high-speed
rail,etc.
Understanding the market it evolves and the need to react
positively to those of market,we believe Shanghai Summery
Industrial Machine Co.,Ltd can provide you the most suitable
product and service.