Hexagonal/ Allen Socket is the hexagonal indentation inside the head that you insert the hexagonal/ allen key into to be able to tighten and loosen the fastener. A bolt is a version which has a part plain (unthreaded) shank under the low cap head.
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M3 - M16 SOCKET CAP LOW HEAD SCREWS 12.9 HIGH TENSILE SELF BLACK HEX ALLEN BOLTS
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Material: A2 304 Stainless Steel. Type: Low Head Socket Cap Screw.
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Model: Low Head Cap Screws Allen Bolts.
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Thread Dia: M2 M2.5 M3 M4 M5 M6 M8 M10 M12. - Material: Stainless Steel A2.
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Screws Size :M3 M4 M5 M6 M8 M10.
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(Thread Pitch: M3(0.5mm)/ M4(0.7mm) / M5(0.8mm) / M6(1mm) / M8(1.25mm)/ M10(1.5mm) / M12(1.75mm))/ M14(2mm) / M16(2mm). Material:12.9 Grade High Tensile Steel. Thread Length:4mm-60mm(Excluding head thickness).
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Type:Low Head Socket Screws. Thread Pitch:1.75. Material:304 stainless steel. Head Style: Low Head.
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