Question 1

Are they really jis?  hozan website says they are regular phillips.

Accepted Answer

If a manufacturer doesn't specifically claim B4633, then you're looking at a DIN 5260-PH/ISO 8763-1 product, despite the "JIS" label.  Even Sunflag no longer specs B4633 on their own website.  It's increasingly difficult to find TRUE JIS drivers.

Question 2

What are the corresponding Phillips point sizes for these 4 drivers? I need P1, 2, and 3.

Accepted Answer

Bob, your question is as confusing as my set of screwdrivers.  I assume you are shopping for JIS (Japanese Industrial Standard) screwdrivers to match the (American??) sizes of P1, 2, and 3.  I tried to do that too.  I ordered this set AND two Vessel brand screwdrivers I thought were JIS but came as P2 and P3.  Those two have ball handles that feel so good I kept them in spite of them not appearing to be JIS by looks and by the numbers on the handle.  All I can do is list the screwdrivers I have and tell you the shaft sizes as I compare them to my Sears Craftsman set of Phillips screwdrivers.  In increasing order of shaft size (using my digital caliper), they are: Shaft size in inches       Label on Handle  .116                           Hozan D-530-75 No.00  .124                           Craftsman P-0  .156                           Hozan D540-100 No. 0  .187                           Craftsman P-1  .196                           Hozan D550-100 No.1  .196 (yes it's the same) Hozan D-555-100 No.2  .248                           Craftsman P-2  .250                           Vessel 220 P.3-150  This tip really looks like a blunt American P-3 with a different angle to the tip - maybe it truly is a JIS  .251                           Vessel 220 P.2-150  (Yep, the P.2 has a larger shaft than the P.3!)  The tip looks identical to an American P-2 - angles and all  .312                           Craftsman P-3  The tip is definitely sloped back more than the Vessel 220 P.3Can you see why I'm confused.  The JIS No.2 has the same shaft size as the JIS No.1.  Can it really handle a larger screw?  True the tips are cut differently (JIS 1 to JIS 2) but will that make the No.2 handle a larger screw with such a small shaft?  Try as I might, I just cannot see much difference in the "Plus-shape" of the screwdrivers, looking straight into the ends of the tips.  Thus I'm not going to suggest what you should purchase to match P1, 2, and 3.  I must admit I have not applied these to my Japanese motorcycles much to verify they won't strip screws.  Here's hoping.  And I hope the above sizes tell you something and help you decide what to purchase.  Good luck with that.

Question 3

The JIS driver is needed for JIS screws but how does it work on standard USA philips? Does the JIS screwdriver work well with both?

Accepted Answer

They work just as a philips screw driver will work on JIS screws even though it is not recommended. Also these are cheap junk, hollow handles that can't any hard use at. My advise, look elsewhere.

Question 4

what sizes come in this set?

Accepted Answer

00, 0, 1, and 2 but the #1 and #2 (marked) appear the same size. I can't recommend this set as the handles are very thin hollow plastic and easy to break.

Brand	HACHIEMON
Number of Items	4
Head Style	JIS
Material	Alloy Steel Polypropylene
Color	Black
Recommended Uses For Product	Screwdriver Set
Item dimensions L x W x H	7.87 x 3.54 x 0.79 inches
Model Name	Hozan JIS-4 JIS Screwdriver Set
UPC	785533579871 722208798274 735090741648
Manufacturer	Hozan
Part Number	JIS3-4
Item Weight	5.3 ounces
Product Dimensions	7.87 x 3.54 x 0.79 inches
Item model number	JIS3-4
Is Discontinued By Manufacturer	No
Size	basic
Item Package Quantity	1
Included Components	Handle
Batteries Included?	No
Batteries Required?	No

Hozan Hozan JIS-4 JIS Screwdriver Set (3rd Gen)

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