Services Sign In Axis All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Fasteners for Mounting into Printed Circuit Boards > Nuts and Spacers/Standoffs, Surface Mount – Types SMTSO, SMTSOB, SMTSS™, SMTSK™, SMTBSO™ > ReelFast® Surface Mount Nuts and Spacers/Standoffs - Type SMTSO - Metric > Part # SMTSO-M3-4ET Axis All CategoriesAxis All Categories PEM® Brand Fasteners for Metal Sheets and PanelsPEM® Brand Fasteners for Metal Sheets and Panels Fasteners for Mounting into Printed Circuit BoardsFasteners for Mounting into Printed Circuit Boards Nuts and Spacers/Standoffs, Surface Mount – Types SMTSO, SMTSOB, SMTSS™, SMTSK™, SMTBSO™Nuts and Spacers/Standoffs, Surface Mount – Types SMTSO, SMTSOB, SMTSS™, SMTSK™, SMTBSO™ ReelFast® Surface Mount Nuts and Spacers/Standoffs - Type SMTSO - MetricReelFast® Surface Mount Nuts and Spacers/Standoffs - Type SMTSO - Metric Part # SMTSO-M3-4ET Part # SMTSO-M3-4ET, ReelFast® Surface Mount Nuts and Spacers/Standoffs - Type SMTSO - Metric SMTSO-M3-4ETReelFast® Surface Mount Nuts and Spacers/Standoffs - Type SMTSO - Metric Request Information Add to CAD Cart Email This Page Download PDF Download PDF Printable Page VIEW CAD DRAWING 3D 2D Front View 2D Left Side View 2D Sales Drawing DOWNLOADS PEM Bulletin K /Asset/SMTSO.jpg /Asset/SMTSO.jpg Close Window Type SMTSO - ReelFast® surface mount nuts and standoffs are available threaded and unthreaded.Packaged on 330 mm recyclable reels. Tape width is 24 mm. Supplied with polyimide patch for vacuum pick up. Reels conform to EIA-481. Unit of Measure Imperial Metric Both Specifications Thread Size x Pitch N/A M3 x 0.5 Thread Code N/A M3 Length Code N/A 4 L - Length ± 0.13 N/A 4 mm Min. Sheet Thickness N/A 1.53 mm A Max. N/A 1.53 mm C Max. N/A 4.09 mm E ± 0.13 N/A 5.56 mm øH - Hole Size in Sheet + 0.08 N/A 4.22 mm øD - Min. Solder Pad N/A 6.2 mm Parts per Reel N/A 900 Pitch N/A 12 mm For Use in Sheet Hardness1 N/A P.C. Board Thread Specification N/A Internal, ASME B1.13M, 6H Fastener Material N/A Carbon Steel Standard Finish N/A Electro-Plated Tin, ASTM B545, Class A with Clear Preservative Coating, Annealed CAD Supplier N/A PennEngineering® (PEM®) 1 For use in P.C. Board Required Fields * Email * First Name * Last Name * Company * Country * United States of America Afghanistan Albania Algeria Andorra Angola Anguilla Antigua & Barbuda Argentina Armenia Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bosnia & Herzegovina Botswana Brazil Brunei Darussalam Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Cape Verde Cayman Islands Central African Republic Chad Chile China China - Hong Kong / Macau Colombia Comoros Congo Congo, Democratic Republic of (DRC) Costa Rica Croatia Cuba Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Fiji Finland France French Guiana Gabon Gambia, Republic of The Georgia Germany Ghana Great Britain Greece Grenada Guadeloupe Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hungary Iceland India Indonesia Iran Iraq Ireland Israel Italy Ivory Coast (Cote d'Ivoire) Jamaica Japan Jordan Kazakhstan Kenya Korea, Democratic Republic of (North Korea) Korea, Republic of (South Korea) Kosovo Kuwait Kyrgyz Republic (Kyrgyzstan) Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Madagascar Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mayotte Mexico Moldova, Republic of Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar/Burma Namibia Nepal Netherlands New Zealand Nicaragua Niger Nigeria North Macedonia, Republic of Norway Oman Pacific Islands Pakistan Panama Papua New Guinea Paraguay Peru Philippines Poland Portugal Puerto Rico Qatar Reunion Romania Russian Federation Rwanda Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Samoa Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovak Republic (Slovakia) Slovenia Solomon Islands Somalia South Africa South Sudan Spain Sri Lanka Sudan Suriname Sweden Switzerland Syria Tajikistan Tanzania Thailand Timor Leste Togo Trinidad & Tobago Tunisia Turkey Turkmenistan Turks & Caicos Islands Uganda Ukraine United Arab Emirates Uruguay Uzbekistan Venezuela Vietnam Virgin Islands (UK) Virgin Islands (US) Yemen Zambia Zimbabwe Zip/Postal Code * Phone Number * City * User Information How is your information being used? View Privacy Policy I agree to the terms of the Privacy Policy * Submit