JIS B4633 (Japanese Industrial Standard)


Vessel 5/16″ JIS Impact Screwdriver Bits

These Vessel impact screwdriver bits will fit all impact screwdrivers with a 5/16” (8mm) diameter shank

Bits are specially hardened for optimum durability

Set Includes –

+2 x 36mm
+3 x 36mm
+4 x 36mm
-10 x 36mm

Made in Japan

* Note:  A tool storage case is not included

JIS screws are common in Japanese motorcycles, cars and machinery, as well as some European made motorcycles

Japanese Industrial Standard (J.I.S.) cross-point screwdriver’s fits a JIS and a Phillips screws. However, a Phillips driver will not fit a J.I.S. screw. It can only fit a Phillips screw snugly