UNI-MAG®

Unisteel Innovation

Specifically engineered as an optimum assembly solution for magnesium alloys and other ductile materials, UNI-MAG® features a unique circular thread that efficiently deforms ductile materials so tapping process is no longer required and assembly flaws are eliminated.

 

Material : Carbon steel and stainless steel.
Head Type : Available in any head style
Point Type : Available in any point type
Recess : TORX®, TORX PLUS®, TOTSUPURA® & JCIS Cross. Other recesses are available upon request.

 

  • Features & Benefits
  • Fastener Dimensions
  • Recess Dimensions
  • Recommended Pilot Hole Size
  • Manufacturing Range

Features & Benefits

  • Thread forming capabilities in magnesium material
  • Eliminates boss cracking, chips and debris in miniature pilot hole applications
  • Miniaturization compatibility
  • Higher failure torque and lower installation torque with higher safety margin
  • Optimized assembly efficiency and reusability
  • Superior thread engagement

Fastener Dimensions

Part Name Major Diameter
d1
Minor Diameter
d2
Thread Pitch
P
Thread Runout
X
  mm mm mm mm
UM-08 0.83 0.62 0.35 0.35
UM-10 1.03 0.79 0.40 0.40
UM-12 1.23 0.96 0.45 0.45
UM-14 1.43 1.14 0.50 0.50
UM-16 1.63 1.31 0.55 0.55
UM-18 1.83 1.48 0.60 0.60
UM-20 2.05 1.68 0.65 0.65
UM-22 2.25 1.84 0.70 0.70
UM-25 2.55 2.09 0.80 0.80
UM-30 3.05 2.47 1.00 1.00

Recess Dimensions

TORX PLUS®

Part Name Recess Size Width
A
Penetration Depth (Min)
Q
Penetration Depth (Max)
Q
    mm mm mm
UM-08 3IP 1.17 0.30 0.45
UM-10 3IP 1.17 0.30 0.45
UM-12 3IP 1.17 0.35 0.50
UM-14 3IP 1.17 0.35 0.50
UM-16 5IP 1.45 0.50 0.65
UM-18 6IP 1.75 0.50 0.65
UM-20 6IP 1.75 0.65 0.85
UM-22 6IP 1.75 0.65 0.85
UM-25 8IP 2.40 0.93 1.10
UM-30 10IP 2.82 1.10 1.30


JCIS Cross

Part Name Recess Size Width
 M
Total Recess Depth (Min)
T
Total Recess Depth (Max)
T
    mm mm mm
UM-08 #00 1.65 0.56 0.84
UM-10 #0 1.65 0.56 0.84
UM-12 #0 1.65 0.56 0.84
UM-14 #0 1.65 0.56 0.84
UM-16 #0 1.90 0.81 1.10
UM-18 #0 2.10 1.01 1.31
UM-20 #0 2.10 1.01 1.31
UM-22 #0 2.20 1.41 1.06
UM-25 #0 2.20 1.06 1.41
UM-30 #1 3.20 1.70 2.10

Recommended Pilot Hole Size

Part Name Nominal Diameter
d1
Pilot Hole Size (Min)
Dp
Pilot Hole Size (Max)
Dp
Counter Bore Depth
Ch
   mm mm mm mm
UM-08 0.83 0.66 0.70 0.35
UM-10 1.03 0.84 0.89 0.40
UM-12 1.23 1.01 1.07 0.45
UM-14 1.43 1.19 1.25 0.50
UM-16 1.63 1.37 1.44 0.55
UM-18 1.83 1.55 1.62 0.60
UM-20 2.05 1.75 1.83 0.65
UM-22 2.25 1.93 2.01 0.70
UM-25 2.55 2.18 2.27 0.80
UM-30 3.05 2.58 2.70 1.00

 

Part Name Counter Bore Diameter (Min)
Cd
Counter Bore Diameter (Max)
Cd
Boss Height
Bh
  mm mm mm
UM-08 0.85 0.88 Thread length
+
1 pitch
UM-10 1.05 1.08
UM-12 1.25 1.28
UM-14 1.45 1.48
UM-16 1.65 1.68
UM-18 1.85 1.88
UM-20 2.07 2.10
UM-22 2.27 2.30
UM-25 2.57 2.60
UM-30 3.07 3.10

Manufacturing Range

Part Name Nominal Diameter Nominal Length   
  mm mm   
UM-08 0.80 2.00 3.00      
UM-10 1.00 2.00 3.00      
UM-12 1.20 2.00 3.00      
UM-14 1.40 2.00 3.00  4.00 5.00  
UM-16 1.60   3.00  4.00 5.00  
UM-18 1.80   3.00  4.00 5.00  
UM-20 2.00   3.00  4.00 5.00  6.00
UM-22 2.20   3.00  4.00 5.00 6.00
UM-25 2.50   3.00  4.00 5.00 6.00
UM-30 3.00   3.00  4.00 5.00 6.00


Product Length Tolerance
  ±0.25