15% off select Welch Allyn Parts! Click here.
![Screw, Head Flat Ball Screw, Head Flat Ball](/medias/HR-42513-o1.jpg?context=bWFzdGVyfGltYWdlc3wzNTY4MHxpbWFnZS9qcGVnfGFXMWhaMlZ6TDJoaU9DOW9Oall2T0RneE1EWXpNVEEyT1RjeU5pNXFjR2N8Y2FkN2NhY2RjZGU3NTNjZTA0Mjk5MTk2ODViMTU4ZjU4MmQ2ZWRhNGYyMzZkYjE5N2RjZDQxZjJlM2FkOGRkNA)
Screw, Head Flat Ball
Part #: 42513
Obsolete part - No Longer Available
![Screw, Machine, Flat, Ph, 1/4-28, 1/2 Screw, Machine, Flat, Ph, 1/4-28, 1/2](/medias/HR-4390-o1.png?context=bWFzdGVyfGltYWdlc3wxNDI0ODl8aW1hZ2UvcG5nfGFXMWhaMlZ6TDJnNVpTOW9NekF2T0RrNU16RXlOelV6TURVeU5pNXdibWN8ZTlkOTZmMjkwZWVmNzhiMzk3ZTQxYzAxYzMxYzg2ZmQxMjIxNTRiMTI0ODJiNzAzNThhNzAzOTU2ZWViN2UzYQ)
Screw, Machine, Flat, Ph, 1/4-28, 1/2
Part #: 4390
Obsolete part - No Longer Available
![Screw, Machine, Flat, Ph, 4-40, .250, Steel Screw, Machine, Flat, Ph, 4-40, .250, Steel](/medias/HR-34457-o1.png?context=bWFzdGVyfGltYWdlc3w1NDk0MHxpbWFnZS9wbmd8YVcxaFoyVnpMMmcxTUM5b09HVXZPRGsxTkRNMk9UazVPRGczT0M1d2JtY3wyZDk5ODA1MjJhNThkNmNiODgyN2U4MjNkYWVkMTM3MTMwYTQxYmI4YjRlYzAxNmJiNTE4NGE3YjNiNzdmODc2)
Screw, Machine, Flat, Ph, 4-40, .250, Steel
Part #: 34457
Obsolete part - No Longer Available
![Screw, High/Low, Flat, Ph, 8-18, 1.125, Cs Screw, High/Low, Flat, Ph, 8-18, 1.125, Cs](/medias/HR-34684-o1.jpg?context=bWFzdGVyfGltYWdlc3w1Mzg3fGltYWdlL2pwZWd8YVcxaFoyVnpMMmd5TWk5b1ptSXZPRGd3TmpneU16TXlPVGd5TWk1cWNHY3wxYmQyOTEwOWI5ZGIwZjA5ZmVkMjZlYjAzOTM2OTY2ZGUwMzk4NjY0ZDYyYjYxYjI0ZWIwMDg4MzViMzk3YWUy)
Screw, High/Low, Flat, Ph, 8-18, 1.125, Cs
Part #: 34684
Obsolete part - No Longer Available
Added to Your Cart
Product Availability by Store Location
Hours