Types of Brass Screws : Cheese head slotted screws Counter sunk head slotted screws Round head slotted screws Pan head slotted screws Raised head slotted screws Philips head screws Combination head screws Socket head screws Terminals screws for connector block Knurled slotted screws (thumb screws) Slotted grub screws Special head screws Standard Followed : BS 4183, BS 3643, BS 57, BS 93, IS 1367/1366 Material : In Case Of Turned Machine Screws… Free Cutting Brass IS 319 Type (I) or Free Cutting Brass As Per BS 249 Type (I) or High Grade Free Cutting Brass Any Special Brass Material Composition As Per Customers Requirement.