Recess styles (Major recess styles. Please ask for other recess styles not in this table.)

Back to front page / Choose head / Choose thread

Recess style Specification Firm stick fit? Characteristics Photo
No. 00 NHK
(NHK precision Co., Ltd)
P Suitable for M1.2 and below
No. 0 JICS
(Japan Camera Industrial Standards)
P Suitable for M1.2 to M2.6
No. 1
No. 2
JIS
(Japanese Industrial Standards)
P
Note 1
Suitable for M2.0 to M3.0 (depending on head style)

JIS specifies Type H (Phillips equivalent) and Type Z (Pozidriv equivalent), but Type Z is really used in Japan.

Note 1 : Type Z does not have firm stick fit.
Combi
(+/-)
NHK
(NHK precision Co., Ltd)
- Can be tighten / untighten with both cross recess and slot drivers and driver bits.
LR LHS
(OSG Corporation)

LH sticks® is registered trademark of OSG Corporation.
P LH Stix®

Superior torque transmission

Less cam-out

Tamper proof

Size variety for each recess style
ULR P
5LR P
5ULR P
3ULR P Suitable for micro screws offering above features
LH P LH Stix®

Superior torque transmission

Less cam-out

Tamper proof
TORX TORX
(Acument lntellectual Properties,LLC)

TORX® is a registered trademark of Acument lntellectual Properties,LLC (USA).
- TORX®

Superior torque transmission

Less cam-out

Tamper proof
Tamper proof Other varieties Depends on recess style Tamper proof with center pin (photo).

Back to front page / Choose head / Choose thread