These are custom knurled shoulder screws manufactured Customer in grade 5.1 steel material with zinc and yellow finish.
Factory Black Thread Drywall Screw Carbon Steel Grade 8.8 Cheese Screw
Custom Fastener Carbon Steel Phillips Countersunk Head Self-Tapping Drywall Screw
These are custom self tapping screws made in 316 stainless steel material measuring 0.888" in length +/- .005". #10-13 thread tapping thread pitch is rolled after the custom shaped head is cold formed.
Large quantities like these custom self tapping screws would be best supplied on a 12 month blanket purchase order basis. The Blanket Order concept allows the customer to access the large quantity cost savings without paying upfront for the entire large quantity order. Instead we take on the burden of carrying the bulk inventory and only release the parts as needed, or often on a pre-scheduled basis provided by the customer.
