Monster Bolts

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Monster Bolts was created as an online fastener store and is now a global fastener superstore selling U.S. and Metric screws, nuts, washers and sealed electrical connectors. Specializing in Socket screws (screws that take a hex or Allen key with either Button head, Flat head, Socket Cap screws or set screws types), Hex Bolts, Machine screws, sheet metal screws (both self-tapping and self-drilling), Deck screws and about every type of nut and washer you can imagine. We sell heavy-duty class 12.9 alloy steel whenever possible, but we also sell A2 stainless and 316 marine grade stainless too for those that need it.

We have partnered with the biggest names in the field and offer incredibly competitive pricing, near-instant shipping and industry-leading customer service. Need anything, just ask.