Flat Head Screw(+)


Flat Head Screw(+) JIS B-1111 made in Japan

Categories : Screw

What is this product? : Flat head screw JIS B-1111 is one type of male fasteners in machine screw category. It has a flat head shape with cross-recessed(+) mark as known as Phillips drive head. Flat head screw(+) has a flat countersunk head shape as its name with cross-recessed(+) drive. The countersunk head part will be tapered and sink into the surface or material with no head shown over the surface, make a flat, clean, and neat look.

Phillips head drive is refer to a cross-recessed head(+) drive system for the screw, This type of screw is one of the most common screws in the world, you can see this flat head screw(+) everywhere in daily life.         

In the industry there are several Philips drive-like head types and they seem to be similar but there are some differences in detail. For example, in Japan we will use JIS B-1012 head drive instead of Phillips head drive. Some of JIS B-1012 head drive will have a dot mark on the screw head to distinguish it from another head drive but not all of JIS B-1012 drive will have a dot.

How to use? : As the countersunk head below part will be tapered, made installation process need few more steps for installation into machine or metal parts.
1.       Clean the surface
2.       Drill the surface with drill bit to your desire screw length
3.       Use countersink bit to initiate taper part
4.       Use machine or hand tap to make a thread
5.       Use countersink bit to make taper part again until you get your desired taper depth

Then other processes are the same, place or area must be pre-tapped, tapered, and threaded as your desired dimension, then use a proper type and correct size of Phillips or JIS (+) Hand screwdriver to fasten them until you feel tight.

If your screwdriver keeps slipping from the screw head, please do not force pushing and fasten further to prevent screw drive turn to be stripped. This is a function of Phillips drive to prevent overtightening.

Where to use, what kind of business using this product? : Due to Flat head screw(+) head and body will be sunk into the surface, this create safety and beauty appearance to the material or object.

As its general and convenience of application made flat head screw(+) turns to be one of favorite screw type for most of people along with pan, and truss head screw. With a mere hand screwdriver can create several flat head screw applications from fixing in household and industrial use.

This screw is available everywhere in our daily life and easy to be sourced at general hardware store near your place.

Flat head screw(+) JIS B-1111 is available in several material, plating, and length which suited for almost of applications.

Flat(+) Head Screw JIS B-1111 : We have fasteners over 700,000 SKU IN STOCK from M1 - M100 l Start from 1 pc l Ship from Japan to the world everyday