Specialized Screws We welcome the impossible.

The products that appear in this catalog are a mere fraction of the various services offered at e-nedzi.com®.
For special screw types, no matter how impossible, turn to NBK.
Send us your drawings and specifications, and you’ll receive NBK’s suggestions. Through this process of exchanging ideas, we will make the screw to satisfy your needs.
At e-nedzi.com®, we want to show we’re continuing to innovate.

Metric Coarse
Thread

Metric Fine Thread
(JIS B 0207)

Unified Coarse Thread
(JIS B 0206)

Unified Fine Thread
(JIS B 0208)

Parallel Pipe Thread
(JIS B 0202)

Taper Pipe Thread
(JIS B 0203)

Hexagonal

Phillips-Recess

Slotted-Recess

Hexalobular^*

The Hexalobular Hole is regulated by JIS B 1015: 2201 (ISO 10664-1999 "Screws with usable Hexalobular Hole".

Nylon Lock

Nylon Deposition

Screw Thread: Cutting/Rolling
Head: Cutting/Pressed (Cold/Hot)
Other Parts: Cutting/Grinding (Surface Grinding/Cylindrical Grinding/Center-less Grinding/Internal Grinding)

Heat Treatment

Thermal Refining/Age Hardening
Induction Hardening
Carburizing and Quenching/ Nitride Treatment

Steel: SS400/SUM22L/S45C/SCM435
Stainless Steel
Austenitic: SUS304/SUSXM7/SUS305/SUS316
Ferritic: SUS430
Martensitic: SUS431/SUS440C
Precipitation Hardening: SUS630/SUS631
Non-Ferritic Metal: Aluminum Alloy/Brass/Phosphor Bronze/Beryllium/Copper/Titanium/Nickel/Molybdenum/Inconel/Hastelloy
Plastic: PEEK/PPS/RENY/PC/PP/PVC/PVDF/PTFE/POM/FRP/ABS
Other: Ceramic