Socket Cap Screws Also Known As Allen Screws. 38 HRC to 44 HRC. Thread Length Twice the Dia +12mm. Grade 12.9 provides a high level of strength, clamping and fatigue resistance when tightened to the recommended torque settings.They are ideal for high stress applications or for when a high strength fastener is required. This item is in the category "Business, Office & Industrial\Fasteners & Hardware\Other Fasteners & Hardware". The seller is "mdproducts1821" and is located in this country: GB. This item can be shipped to United Kingdom, United States, Japan, Canada, Ireland, Australia, Germany, France, Greece, Italy, Spain, Antigua and Barbuda, Austria, Belgium, Bulgaria, Croatia, Republic of, Cyprus, Czech Republic, Denmark, Estonia, Finland, Hungary, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Sweden, Bahrain, Brazil, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, Korea, South, Switzerland, Taiwan, Thailand, Bangladesh, Belize, Bermuda, Bolivia, Barbados, Brunei Darussalam, Cayman Islands, Dominica, Ecuador, Egypt, Guernsey, Gibraltar, Guadeloupe, Grenada, French Guiana, Iceland, Jersey, Jordan, Cambodia, Saint Kitts-Nevis, Saint Lucia, Liechtenstein, Sri Lanka, Macau, Monaco, Maldives, Montserrat, Martinique, Nicaragua, Oman, Pakistan, Peru, Paraguay, Reunion, Turks and Caicos Islands, Aruba, Saudi Arabia, South Africa, United Arab Emirates, Chile, Bahamas, Colombia, Costa Rica, Dominican Republic, Guatemala, Honduras, Jamaica, Kuwait, Panama, Philippines, Qatar, El Salvador, Trinidad and Tobago, Uruguay, Vietnam.