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Thin Sheet Threaded Standoffs  TSOS-U

Self Clinching Fasteners  •  Standoffs For Sheet Metal
American Standard (Inches) & Metric Sizes
• Self-clinching    • Permanently mounted    • Installed quickly and easily in metal panels
• No secondary operation needed prior to installation    • Outer sheet surface is flushed and closed
• Used for sheets as thin as 0.025" / 0.63 mm
American Standard Sizes:   • Series TSOS-U
Metric Sizes:   • Series TSOS-U
Series  TSOS-U
Series  TSOS-U  /  American Standard Sizes
      • Head Shape-  Hex
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Material- 300 Series Stainless Steel
      • Finish-  Passivated per ASTM A380
Series TSOS-U
American Standard Sizes
(SAE)
Part
Number
Thread "H"
Nom.
"L"
Body
Length
Style Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Barrel
O.D.
Min.
Distance
to Edge
Mil-Spec
TSOS-256-090-U 2-56 3/16" 0.090" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-125-U 2-56 3/16" 0.125" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-187-U 2-56 3/16" 0.187" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-250-U 2-56 3/16" 0.250" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-312-U 2-56 3/16" 0.312" #2 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-375-U 2-56 3/16" 0.375" #2 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-437-U 2-56 3/16" 0.437" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-500-U 2-56 3/16" 0.500" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-562-U 2-56 3/16" 0.562" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-625-U 2-56 3/16" 0.625" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-687-U 2-56 3/16" 0.687" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-256-750-U 2-56 3/16" 0.750" #3 0.025" 0.166" 0.165" 0.230" N/A
 
TSOS-6256-090-U 2-56 1/4" 0.090" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-125-U 2-56 1/4" 0.125" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-187-U 2-56 1/4" 0.187" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-250-U 2-56 1/4" 0.250" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-312-U 2-56 1/4" 0.312" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-375-U 2-56 1/4" 0.375" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-437-U 2-56 1/4" 0.437" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-500-U 2-56 1/4" 0.500" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-562-U 2-56 1/4" 0.562" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-625-U 2-56 1/4" 0.625" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-687-U 2-56 1/4" 0.687" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6256-750-U 2-56 1/4" 0.750" #3 0.025" 0.213" 0.212" 0.270" N/A
 
TSOS-440-090-U 4-40 3/16" 0.090" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-125-U 4-40 3/16" 0.125" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-187-U 4-40 3/16" 0.187" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-250-U 4-40 3/16" 0.250" #1 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-312-U 4-40 3/16" 0.312" #2 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-375-U 4-40 3/16" 0.375" #2 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-437-U 4-40 3/16" 0.437" #2 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-500-U 4-40 3/16" 0.500" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-562-U 4-40 3/16" 0.562" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-625-U 4-40 3/16" 0.625" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-687-U 4-40 3/16" 0.687" #3 0.025" 0.166" 0.165" 0.230" N/A
TSOS-440-750-U 4-40 3/16" 0.750" #3 0.025" 0.166" 0.165" 0.230" N/A
 
TSOS-6440-090-U 4-40 1/4" 0.090" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-125-U 4-40 1/4" 0.125" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-187-U 4-40 1/4" 0.187" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-250-U 4-40 1/4" 0.250" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-312-U 4-40 1/4" 0.312" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-375-U 4-40 1/4" 0.375" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-437-U 4-40 1/4" 0.437" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-500-U 4-40 1/4" 0.500" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-562-U 4-40 1/4" 0.562" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-625-U 4-40 1/4" 0.625" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-687-U 4-40 1/4" 0.687" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-6440-750-U 4-40 1/4" 0.750" #3 0.025" 0.213" 0.212" 0.270" N/A
 
TSOS-632-125-U 6-32 1/4" 0.125" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-187-U 6-32 1/4" 0.187" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-250-U 6-32 1/4" 0.250" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-312-U 6-32 1/4" 0.312" #1 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-375-U 6-32 1/4" 0.375" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-437-U 6-32 1/4" 0.437" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-500-U 6-32 1/4" 0.500" #2 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-562-U 6-32 1/4" 0.562" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-625-U 6-32 1/4" 0.625" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-687-U 6-32 1/4" 0.687" #3 0.025" 0.213" 0.212" 0.270" N/A
TSOS-632-750-U 6-32 1/4" 0.750" #3 0.025" 0.213" 0.212" 0.270" N/A
Series  TSOS-U  /  Metric Sizes
      • Head Shape-  Hex
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Material- 300 Series Stainless Steel
      • Finish-  Passivated per ASTM A380
Series TSOS-U
Metric Sizes
Part
Number
Thread "H"
Nom.
"L"
Body
Length
Style Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Barrel
O.D.
Min.
Distance
to Edge
Mil-Spec
TSOS-M25-200-U M2.5 x 0.45 4.80
mm
2.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-300-U M2.5 x 0.45 4.80
mm
3.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-400-U M2.5 x 0.45 4.80
mm
4.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-600-U M2.5 x 0.45 4.80
mm
6.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-800-U M2.5 x 0.45 4.80
mm
8.00
mm
#2 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-1000-U M2.5 x 0.45 4.80
mm
10.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-1200-U M2.5 x 0.45 4.80
mm
12.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-1400-U M2.5 x 0.45 4.80
mm
14.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-1600-U M2.5 x 0.45 4.80
mm
16.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-1800-U M2.5 x 0.45 4.80
mm
18.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M25-1900-U M2.5 x 0.45 4.80
mm
19.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
 
TSOS-6M25-200-U M2.5 x 0.45 6.40
mm
2.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-300-U M2.5 x 0.45 6.40
mm
3.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-400-U M2.5 x 0.45 6.40
mm
4.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-600-U M2.5 x 0.45 6.40
mm
6.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-800-U M2.5 x 0.45 6.40
mm
8.00
mm
#2 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-1000-U M2.5 x 0.45 6.40
mm
10.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-1200-U M2.5 x 0.45 6.40
mm
12.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-1400-U M2.5 x 0.45 6.40
mm
14.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-1600-U M2.5 x 0.45 6.40
mm
16.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-1800-U M2.5 x 0.45 6.40
mm
18.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M25-1900-U M2.5 x 0.45 6.40
mm
19.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
 
TSOS-M3-200-U M3 x 0.5 4.80
mm
2.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-300-U M3 x 0.5 4.80
mm
3.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-400-U M3 x 0.5 4.80
mm
4.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-600-U M3 x 0.5 4.80
mm
6.00
mm
#1 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-800-U M3 x 0.5 4.80
mm
8.00
mm
#2 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-1000-U M3 x 0.5 4.80
mm
10.00
mm
#2 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-1200-U M3 x 0.5 4.80
mm
12.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-1400-U M3 x 0.5 4.80
mm
14.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-1600-U M3 x 0.5 4.80
mm
16.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-1800-U M3 x 0.5 4.80
mm
18.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
TSOS-M3-1900-U M3 x 0.5 4.80
mm
19.00
mm
#3 0.63
mm
4.22
mm
4.20
mm
5.80
mm
N/A
 
TSOS-6M3-200-U M3 x 0.5 6.40
mm
2.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-300-U M3 x 0.5 6.40
mm
3.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-400-U M3 x 0.5 6.40
mm
4.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-600-U M3 x 0.5 6.40
mm
6.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-800-U M3 x 0.5 6.40
mm
8.00
mm
#2 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-1000-U M3 x 0.5 6.40
mm
10.00
mm
#2 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-1200-U M3 x 0.5 6.40
mm
12.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-1400-U M3 x 0.5 6.40
mm
14.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-1600-U M3 x 0.5 6.40
mm
16.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-1800-U M3 x 0.5 6.40
mm
18.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-6M3-1900-U M3 x 0.5 6.40
mm
19.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
 
TSOS-M35-300-U M3.5 x 0.6 6.40
mm
3.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-400-U M3.5 x 0.6 6.40
mm
4.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-600-U M3.5 x 0.6 6.40
mm
6.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-800-U M3.5 x 0.6 6.40
mm
8.00
mm
#1 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-1000-U M3.5 x 0.6 6.40
mm
10.00
mm
#2 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-1200-U M3.5 x 0.6 6.40
mm
12.00
mm
#2 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-1400-U M3.5 x 0.6 6.40
mm
14.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-1600-U M3.5 x 0.6 6.40
mm
16.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-1800-U M3.5 x 0.6 6.40
mm
18.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A
TSOS-M35-1900-U M3.5 x 0.6 6.40
mm
19.00
mm
#3 0.63
mm
5.41
mm
5.39
mm
7.10
mm
N/A

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