SMTSO Unthreaded Surface Mount Nuts and Spacers

973-674-1700Standoffs, Spacers, Captive, Swage, Male Female Standoffs, Jack Screws, Male Male Standoffs, Handles, Thumb Screws, Thumbscrews, Shoulder Screws, Insulating Washers, Electronic Hardware.

Home Search Order Quote Cross Catalog Reps Technical Terms Distributors About Us Contact Us

Unthreaded Surface Mount Nuts
& Spacers Standoffs SMTSO-U

Self Clinching Fasteners • Fasteners for PC Boards
American Standard (Inches) & Metric Sizes

UNICORP Electronic Hardware Self-Clinching Fastener - Unthreaded Surface Mount Nuts & Space Standoffs SMTSO

• Self-clinching • Unthreaded • Thru-hole • Provided on 13" recyclable reel • Hex barrel
• Polyamide patch • Used as PC Board attachment • Installed quickly and easily
• Minimum sheet thickness of 0.060" /0.50 mm

American Standard Sizes: • Series SMTSO-U

Metric Sizes: • Series SMTSO-U

Series SMTSO-U

Series SMTSO-U / American Standard Sizes
• Min. Sheet Thickness- 0.060" • Sheet Hardness- N/A • Material- Carbon Steel • Mil-Spec- N/A • "DT" Finish- Electro-Plated Matte-Tin per ASTM B 545, Class A with/ Clear Preservative Coating, Annealed • "ET" Finish- Electro-Plated Bright Tin per ASTM B545, Class A with Clear Preservative Coating
	Series SMTSO-U American Standard Sizes (SAE)

Part
Number

Thru
Hole

"A"
Max.

"C"
Max.

"E"

"L"
Length

"H" Hole
Size in
Sheet

"D" Min.
Solder
Pad

Parts
per Reel

Pitch

Part Numbers with "DT" Finish

SMTSO-116-2DT-U

0.116"

0.060"

0.161"

0.219"

0.062"

0.166"

0.244"

1500

12.00
mm

SMTSO-116-4DT-U

0.116"

0.060"

0.161"

0.219"

0.125"

0.166"

0.244"

1000

12.00
mm

SMTSO-116-8DT-U

0.116"

0.060"

0.161"

0.219"

0.250"

0.166"

0.244"

650

12.00
mm

SMTSO-116-12DT-U

0.116"

0.060"

0.161"

0.219"

0.375"

0.166"

0.244"

300

16.00
mm

SMTSO-143-2DT-U

0.143"

0.060"

0.208"

0.281"

0.062"

0.213"

0.306"

1500

12.00
mm

SMTSO-143-4DT-U

0.143"

0.060"

0.208"

0.281"

0.125"

0.213"

0.306"

1000

12.00
mm

SMTSO-143-8DT-U

0.143"

0.060"

0.208"

0.281"

0.250"

0.213"

0.306"

650

12.00
mm

SMTSO-143-12DT-U

0.143"

0.060"

0.208"

0.281"

0.375"

0.213"

0.306"

300

16.00
mm

Part Numbers with "ET" Finish

SMTSO-116-2ET-U

0.116"

0.060"

0.161"

0.219"

0.062"

0.166"

0.244"

1500

12.00
mm

SMTSO-116-4ET-U

0.116"

0.060"

0.161"

0.219"

0.125"

0.166"

0.244"

1000

12.00
mm

SMTSO-116-8ET-U

0.116"

0.060"

0.161"

0.219"

0.250"

0.166"

0.244"

650

12.00
mm

SMTSO-116-12ET-U

0.116"

0.060"

0.161"

0.219"

0.375"

0.166"

0.244"

300

16.00
mm

SMTSO-143-2ET-U

0.143"

0.060"

0.208"

0.281"

0.062"

0.213"

0.306"

1500

12.00
mm

SMTSO-143-4ET-U

0.143"

0.060"

0.208"

0.281"

0.125"

0.213"

0.306"

1000

12.00
mm

SMTSO-143-8ET-U

0.143"

0.060"

0.208"

0.281"

0.250"

0.213"

0.306"

650

12.00
mm

SMTSO-143-12ET-U

0.143"

0.060"

0.208"

0.281"

0.375"

0.213"

0.306"

300

16.00
mm

Series SMTSO-U / Metric Sizes
• Min. Sheet Thickness- 1.53 mm • Sheet Hardness- N/A • Material- Carbon Steel • Mil-Spec- N/A • "DT" Finish- Electro-Plated Matte-Tin per ASTM B 545, Class A with/ Clear Preservative Coating, Annealed • "ET" Finish- Electro-Plated Bright Tin per ASTM B545, Class A with Clear Preservative Coating
	Series SMTSO-U Metric Sizes

Part
Number

Thru
Hole

"A"
Max.

"C"
Max.

"E"

"L"
Length

"H" Hole
Size in
Sheet

"D" Min.
Solder
Pad

Parts
per Reel

Pitch

Part Numbers with "DT" Finish

SMTSO-3.6-2DT-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

2.00
mm

5.41
mm

7.77
mm

1500

12.00
mm

SMTSO-3.6-3DT-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

3.00
mm

5.41
mm

7.77
mm

1000

12.00
mm

SMTSO-3.6-4DT-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

4.00
mm

5.41
mm

7.77
mm

900

12.00
mm

SMTSO-3.6-6DT-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

6.00
mm

5.41
mm

7.77
mm

650

12.00
mm

SMTSO-3.6-8DT-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

8.00
mm

5.41
mm

7.77
mm

375

16.00
mm

SMTSO-3.6-10DT-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

10.00
mm

5.41
mm

7.77
mm

300

16.00
mm

SMTSO-4.2-2DT-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

2.00
mm

6.35
mm

9.37
mm

1100

16.00
mm

SMTSO-4.2-3DT-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

3.00
mm

6.35
mm

9.37
mm

800

16.00
mm

SMTSO-4.2-4DT-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

4.00
mm

6.35
mm

9.37
mm

675

16.00
mm

SMTSO-4.2-6DT-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

6.00
mm

6.35
mm

9.37
mm

500

16.00
mm

SMTSO-4.2-8DT-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

8.00
mm

6.35
mm

9.37
mm

375

16.00
mm

SMTSO-4.2-10DT-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

10.00
mm

6.35
mm

9.37
mm

300

16.00
mm

Part Numbers with "ET" Finish

SMTSO-3.6-2ET-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

2.00
mm

5.41
mm

7.77
mm

1500

12.00
mm

SMTSO-3.6-3ET-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

3.00
mm

5.41
mm

7.77
mm

1000

12.00
mm

SMTSO-3.6-4ET-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

4.00
mm

5.41
mm

7.77
mm

900

12.00
mm

SMTSO-3.6-6ET-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

6.00
mm

5.41
mm

7.77
mm

650

12.00
mm

SMTSO-3.6-8ET-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

8.00
mm

5.41
mm

7.77
mm

375

16.00
mm

SMTSO-3.6-10ET-U

3.60
mm

1.53
mm

5.28
mm

7.14
mm

10.00
mm

5.41
mm

7.77
mm

300

16.00
mm

SMTSO-4.2-2ET-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

2.00
mm

6.35
mm

9.37
mm

1100

16.00
mm

SMTSO-4.2-3ET-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

3.00
mm

6.35
mm

9.37
mm

800

16.00
mm

SMTSO-4.2-4ET-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

4.00
mm

6.35
mm

9.37
mm

675

16.00
mm

SMTSO-4.2-6ET-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

6.00
mm

6.35
mm

9.37
mm

500

16.00
mm

SMTSO-4.2-8ET-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

8.00
mm

6.35
mm

9.37
mm

375

16.00
mm

SMTSO-4.2-10ET-U

4.20
mm

1.53
mm

6.22
mm

8.74
mm

10.00
mm

6.35
mm

9.37
mm

300

16.00
mm

UNICORP Electronic Hardware - Self Clinching Fasteners

Phone: 973-674-1700 Toll Free: 1-800-526-1389 Fax: 973-674-3803

UNICORP is a leader in manufacturing stock and custom
electronic hardware, handles and precision fasteners used by leading companies
in nearly every industry since 1971.

291 Cleveland St, Orange, New Jersey 07050  USA
Mailing Address:  P.O. Box 280, Orange, New Jersey 07051-0280  USA

Feedback I Legal Notice I Copyright  I Services I Jobs I Contact Us I Email Us I Privacy Statement
Copyright©2020, Unicorp Inc., unicorpinc.com or its affiliates