Autobolt
Fillister head spring bolts, also known as center spring bolts, are manufactured by Auto Bolt. Special dimensions, such as head heights, head types, and thread lengths, can be produced. Configurations are available in either inch or metric sizes. Special tooling can be created to produce nonstandard headmarks.
| Size Ranges | ||
|---|---|---|
| Inches | Metric | |
| Diameter Range | 5/16" - 1 1/8" | M8-M27 |
| Length Range | 3/8" - 11 3/4" |
| Standard Materials | |
|---|---|
| Description | |
| Carbon Steels | SAE 1008, 1010, 1018, 1038, 1335, 1541, and 10B21 |
| Alloy Steels | SAE 4037, 4140, 5140, 8620, 8637, and 8740 |
| Stainless Steels | 302, 304, 316, 300 & 400 Series |
| Coatings | |
|---|---|
| Options | Zinc, zinc yellow, phos & oil, black oxide, cadmium, and organics. Other coatings on request. |
| Manufacturing | |
|---|---|
| Standards | Auto Bolt manufactures certified quality products using industry standards such as ASTM, ASME, ANSI, SAE, ISO, and DIN. |
| Order Quantity | In many instances we are able to manufacture 2,500 pieces, depending on the diameter and geometry of the part. |
