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™ > Part # SMTBSO-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™ Part # SMTBSO-M3-4ET Part # SMTBSO-M3-4ET, ReelFast® Surface Mount Fasteners - Type SMTBSO – Metric SMTBSO-M3-4ETReelFast® Surface Mount Fasteners - Type SMTBSO – 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 /Asset/Type-SMTBSO.jpg /Asset/Type-SMTBSO.jpg Close Window No hole required to solder fastener to PC Board Allows for copper traces to run under the fastener which better utilizes space on the board Enhanced performance due to cutout that allows for localized heat up of the area in contact withthe solder. 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 E ± 0.13 N/A 5.56 mm øD - Min. Solder Pad N/A 6.2 mm F Min. N/A 2.4 mm Parts per Reel N/A 1000 For Use In N/A Solder fastener in place using standard surface mount techniques. Thread Specification N/A Internal, ASME B1.13M, 6H Fastener Material N/A Lead-Free Carbon Steel Standard Finish N/A Electro-Plated Tin, ASTM B 545, Class A with Clear Preservative Coating, annealed CAD Supplier N/A PennEngineering® (PEM®) 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