We have developed various types of Screws with Cros Star Punch and also Plus Minus (+&-) combination type. They are available as Philips Star Punch in Pan Head, CSK Head, Round Head, Mushroom Head, Raised Head, Washer Faced/Flanged Head, Spring washer & Plain washer fitted Shim Screws, Self Tapping Screws in A, B, C, AB and BT type. They are available from 1/8" to 5/16", 2 to 8mm, NC-NF 4 to 12no. also BSW, BSF, NC/NF, BA, STS No. size with 40-36-32-28-24-20-19-18-16-14 or 12 TPI. They can be made of MS 4.6 grade, Brass, SS - 304, 310, 316 (Subject to availability of raw materials). These are available with Bright/Yellow Zinc, Nickel, Cadmium, Nickel Chrome, Olive Green and Copper Platting.


These above screws are also available in Slotted type.

STANDARD REFERENCES :

IS : 7169, 7170,7173, 1120, 6736, 6739.
ISO : 7049, 7050, 7051, 7053, 1479, 1481.
DIN : 7981,7982, 7983, 95, 96, 97, 571, 7513, 7971, 7972, 7973, 7975, 7976.
BS : ANSI, JIS, GKW, AISI, B-1111 - 1122 - 1123 - 1188, 1210, 4174.

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