-
Military Standard MS21250-04042 Steel Bolt, Shear
Military Standard MS21250-04042 Steel Bolt, Shear
PART #: SGP134720MFR PART #: MS21250-04042Our Price: $58.59 (Each)QTY: Add to Cart -
Military Standard MS21250-05004 Steel Bolt, Shear
Military Standard MS21250-05004 Steel Bolt, Shear
PART #: SGP134722MFR PART #: MS21250-05004Our Price: $7.77 (Each)QTY: Add to Cart -
Military Standard MS21250-05014 Steel Bolt, Shear
Military Standard MS21250-05014 Steel Bolt, Shear
PART #: SGP134726MFR PART #: MS21250-05014Our Price: $12.40 (Each)QTY: Add to Cart -
Military Standard MS21250-05016 Steel Bolt, Shear
Military Standard MS21250-05016 Steel Bolt, Shear
PART #: SGP134727MFR PART #: MS21250-05016Our Price: $6.13 (Each)QTY: Add to Cart -
Military Standard MS21250-05017 Steel Bolt, Shear
Military Standard MS21250-05017 Steel Bolt, Shear
PART #: SGP134728MFR PART #: MS21250-05017Our Price: $19.03 (Each)QTY: Add to Cart -
Military Standard MS21250-05026 Steel Bolt, Shear
Military Standard MS21250-05026 Steel Bolt, Shear
PART #: SGP134733MFR PART #: MS21250-05026Our Price: $7.03 (Each)QTY: Add to Cart -
Military Standard MS21250-05027 Steel Bolt, Shear
Military Standard MS21250-05027 Steel Bolt, Shear
PART #: SGP134734MFR PART #: MS21250-05027Our Price: $24.32 (Each)QTY: Add to Cart -
Military Standard MS21250-05028 Steel Bolt, Shear
Military Standard MS21250-05028 Steel Bolt, Shear
PART #: SGP134735MFR PART #: MS21250-05028Our Price: $12.47 (Each)QTY: Add to Cart -
Military Standard MS21250-05034 Steel Bolt, Shear
Military Standard MS21250-05034 Steel Bolt, Shear
PART #: SGP134737MFR PART #: MS21250-05034Our Price: $14.25 (Each)QTY: Add to Cart -
Military Standard MS21250-05036 Steel Bolt, Shear
Military Standard MS21250-05036 Steel Bolt, Shear
PART #: SGP134738MFR PART #: MS21250-05036Our Price: $11.88 (Each)QTY: Add to Cart -
Military Standard MS21250-05048 Steel Bolt, Shear
Military Standard MS21250-05048 Steel Bolt, Shear
PART #: SGP134740MFR PART #: MS21250-05048Our Price: $9.31 (Each)QTY: Add to Cart -
Military Standard MS21250-05052 Steel Bolt, Shear
Military Standard MS21250-05052 Steel Bolt, Shear
PART #: SGP134741MFR PART #: MS21250-05052Our Price: $13.81 (Each)QTY: Add to Cart
Perhaps the most widely known piece of hardware is the bolt, but if you were asked what one is, could you answer it? Skygeek would.
Bolts are simply threaded fasteners. Aircraft contain countless parts and these parts must frequently be either dismantled and/or replaced. Securing or fastening adjacent parts together (forming a joint) is sometimes achieved by using rivets. However, it is often more practical to use bolts, especially when greater strength and rigidity are required. Bolts are different from other threaded fasteners— like screws—in that they must be screwed into a nut and subsequently tightened by turning it. Turning bolts with right-handed threads requires a clockwise direction; left-handed threads a counter-clockwise direction. Unlike screws, bolts generally have a shorter threaded section and a relatively longer grip length.
The anatomy of a bolt will help you identify and select the right one for a certain application. When using a bolt, keep in mind the following parts (refer to the corresponding diagram): length, diameter, grip, threads, head width and head thickness. The head comes in many styles (e.g. hex, clevis, eyebolt). The part not including the head is called the shaft. Length measures the distance from the bottom of the head to the bottom of the shaft. Diameter refers to the thickness of the shaft. The grip is considered the unthreaded part of the shaft; it runs from the bottom of the head to the beginning of the thread.
Another factor in determining the right bolt is composition. Bolts are usually made of metal such as (Corrosion-resistant, or CRES) steel or aluminum alloy. In addition, bolts often have finishes or surface treatments—cadmium and chromate being two of them.
Most bolts conform to a variety of standards: Air Force/Navy (AN), National Aircraft Standard (NAS), and Military Standard (M or MS). SkyGeek carries an extensive and growing list of series of bolts that meet or exceed these standards. Click on the specific series that suits your needs.