One of the most common broaching operations is cutting splines or serrations in machined holes. The broach is guided in the round hole and the top of each broach tooth cuts the splines progressively deeper, generating the sides of the form as the depth increases. Splines, either straight or involute and serrations are produced efficiently by broaching. From standard involutes to special splines, Capital is the supplier you want to help you achieve the lowest cost per piece. With our in-house engineering, let us design the best tool to suite your application.