Date Published:May. 22. 2014 Date Updated:Nov. 01. 2024
Comparison of the Dimensions of Low Profile Screws and Small Head Screws
These are comparison tables of head dimensions for standard screws, low profile screws, and small head screws.
Products with the desired dimensions may be easily selected.
Dimension comparison and product lineup for low profile and small head screws
Head shape | JIS B 1176 | Low Head | Socket ButtonHead withFlange |
Special Low | Special Low Hexagon Head |
Extra Low Head |
||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Recess | Hexagon Socket |
Hexalobular Socket |
Hexagon Socket |
Hexagon Socket |
Hexalobular Socket |
Hexagon Socket |
Tamper Resistance |
- |
Cross Recessed |
Hexalobular Socket |
||
Pictures | ||||||||||||
Head Height | ||||||||||||
Size (M) |
M2 | 2 | 1.55 | 1.3 | - | 1.2 | 1.1 | 0.6 | - | - | 0.5 | |
M2.5 | 2.5 | 1.85 | 1.6 | - | 1.3 | 1.3 | 0.8 | - | - | - | ||
M2.6 | 2.6 | - | - | - | - | - | - | - | - | 0.6 | ||
M3 | 3 | 2.4 | 2 | 1.65 | 1.3 | 1.3 | 1.3 | - | 0.8 | 0.8 | ||
M4 | 4 | 3.1 | 2.8 | 2.2 | 1.5 | 1.5 | 1.5 | 1.5 | 0.9 | 0.9 | ||
M5 | 5 | 3.65 | 3.5 | 2.75 | 1.5 | 1.5 | - | 2 | - | 1 | ||
M6 | 6 | 4.4 | 4 | 3.3 | 1.5 | 1.5 | - | 2 | - | 1.2 | ||
M8 | 8 | - | 5 | 4.4 | 1.5 | 1.5 | - | 2 | - | - | ||
M10 | 10 | - |
6 |
- | - | 1.5 | - | - | - | - | ||
Line Up | ||||||||||||
Material |
Steel | Ferrosoferric Oxide Film (Black) | - | - | SFB | - | SSH | - | - | - | - | |
Trivalent Chromate Treatment |
- | SLT-TZB | SLH-TZB | - | - | - | - | - | SEQ-TZB | - | ||
Black Trivalent Chromate Treatment | - | - | - | - | - | - | - | - | SEQ-TBZ | - | ||
Electroless Nickel Plating | - | - | - | SFB-EL | - | - | - | - | - | |||
Nickel Plating | - | - | - | - | - | - | - | - | - | |||
Black Nickel Plating | - | - | - | - | - | - | - | - | - | SET-BNI | ||
SUSXM7 (Equivalent to SUS304) |
- | SLTS | SLHS | SFBS | SSTS | SRSHS | SNHS-LH | - | ||||
SUS316L | - | - | SLHL | - | - | - | - | - | - | |||
TW435 (Grade2 Titanium) |
- | - | - | - | - | - | - | - | - | |||
A5056 | - | - | - | - | - | - | - | - | - | SETA | ||
Plastic | - | - | SPE-LC SPA-LC |
- | - | - | - | - | - | - |
Comparison of the Head Diameter of Small Head Screws and Standard Screws
Head Diameter | JIS B 1176 | Small Head |
||||
---|---|---|---|---|---|---|
Head Height | JIS B 1176 | JIS B 1176 | Low Head | Special Low | ||
Head shape/Recess | Hexagon Socket |
Hexagon Socket |
Hexagon Socket |
Hexagon Socket |
||
Pictures | ||||||
Head Diameter | ||||||
Size (M) |
M2 | 3.8 | 3 | - | 3.2 | |
M2.5 | 4.5 | 3.8 | - | 4 | ||
M3 | 5.5 | 4.5 | 4.5 | 5 | ||
M4 | 7 | 5.5 | 5.5 | 6 | ||
M5 | 8.5 | 7 | 7 | 8 | ||
M6 | 10 | 8.5 | 8.5 | 9 | ||
M8 | 13 | 11 | 11 | 11 | ||
M10 | 16 | 13.5 | 13.5 | 13.5 | ||
Line Up | ||||||
Material |
Steel | Ferrosoferric Oxide Film (Black) | - | SNS-SD | SLH-SD | SSH-SD |
Electroless Nickel Plating | - | SNS-SD-EL | SLH-SD-EL | SSH-SD-EL | ||
SUSXM7 (Equivalent to SUS304) |
- | - | SNSS-SD | SLHS-SD | SSHS-SD | |
MoS2 Coating | - |
SNSS-SD-MO | - | SSHS-SD-MO | ||
Fluorine Coating | - |
SNSS-SD-FC | - | SSHS-SD-FC |
Head Diameter | JIS B 1111* | Small Head | ||
---|---|---|---|---|
Head shape/Recess | Cross Recessed Flat Head | Cross Recessed Flat Head | ||
Pictures | ||||
Head Diameter | ||||
Size (M) |
M3 | 6 | 5 | |
M4 | 8 | 6 | ||
M5 | 10 | 8 | ||
M6 | 12 | 10 | ||
Line Up | ||||
Material |
Steel | Trivalent Chromate Treatment |
- | SNF-SD-TZB |
SUSXM7 (Equivalent to SUS304) |
- | SNFS-SD |
Inch Screws
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