Straight Flute Tap: 3/8-16 UNC, 3 Flutes, Plug, High Speed Steel, Bright/Uncoated MPN:K011089AS

The D0311 hard hat provides an optimal level of protection from falling objects while offering versatile wearing options with four-point ratchet adjustment system, accommodating different head sizes. This pinlock black type 1 class E model meets ANSI Z89.1-2014 standards and features a low-profile design to allow for simultaneous use of additional hearing protection gear. Its UV-resistant coating enhances its durability and sweatband ensures that this hat stands up to challenging conditions, while also offering protection against electrical conductivity, adhering to the 20 ft. electrical hazard rating requirement. Suitable for industries with high safety standards, such as construction, manufacturing or oil & gas where employees require a top-performing hard hat for daily work tasks.