National Bolt & Nut Corp. - Bloomingdale, IL (Serving Michigan)
Distributor, Manufacturer, Custom Manufacturer, Service Company
Woman-owned ISO 9001:2008 certified manufacturer of standard & custom clevis & countersunk bolts. Materials include all grades of steel, stainless steel, brass, silicon bronze, nickel alloys & non-ferrous & exotic metals. Bolts are available in 1/4 in. to 4 in. dia. & length up to 6 ft. Production machining capabilities include milling, drilling, tapping, flattening, turning, slotting, bending & notching.
nationalbolt.rtrk.com/?scid=2007704&rl_alt=...

Countersunk Bolts Capabilities
	Custom Bolts/Fasteners Custom Nuts & Washers

Amtek Tool & Supply, Inc. - Madison Heights, MI
Distributor, Custom Manufacturer
Distributor of bolts including countersunk bolts, coupling bolts, machine bolts, socket head bolts, & T-slot bolts. Also available are forged eye bolts & swing bolts. T-slot bolts feature 4140 forging material construction, 140,000 psi tensile strength, black oxide finish, & 2A-UNC thread. Emergency tool services & global shipments available. No minimum order quantities required. Markets served include municipal, military, & aerospace.
Brand Names: Armstrong Tools, Carr Lane, Jergens, Xact
websales.amtektool.com/category/all-categor...

Fabory North America - Byron Center, MI
Distributor, Custom Manufacturer
ISO/QS 9000 supplier of metric fasteners. Stocking a complete line of over 35,000 different items. Including: hex, socket, shoulder, flange & eye bolts, nuts, washers, threaded rod, pins, keys, screws, taps, & dies, & specials. Available in steel, stainless, aluminum, nylon, brass & titanium in standard, fine & extra fine threads. Engineering assistance. Imperial standards also available.

Darling Bolt Co. - Warren, MI
Distributor
Distributor Of Screws, Bolts, Fasteners

Wayne Bolt & Nut Co. - Detroit, MI
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of standard & custom industrial fasteners including countersunk bolts, cermone & double end bolts. Bolts are available in ferrous & non-ferrous materials with plain & plated finishes & in different sizes & shapes. Capabilities include roll threading, cut threading, grooving, knurling, drilling, bending, pointing, tapping & coining. Products are made in the USA.

American Trade Group, Inc., Left Hand Bolt & Nut Div. - Detroit, MI
Distributor, Manufacturer, Custom Manufacturer
Large Inventory Of Finished Left-Hand Hex Head Caps, Socket Caps & Hex Nuts

HMS Systems, LLC - Livonia, MI
Distributor, Manufacturer
Distributor of countersunk, double end bolts available in alloys including carbon steel. Bolts available include carriage, plow & elevator bolts.