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About Steel
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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Undersized Hardened Multipurpose M2 High-Speed Tool Steel Rods
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These rods, also known as drill blanks, have an undersized diameter for machining your own drill bits. They're hardened for increased abrasion and impact resistance. M2 tool steel offers a nice balance of wear resistance and machinability. It has a high molybdenum content, which allows it to maintain sharp cutting edges even at elevated temperatures.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia., mm | Dia. Tolerance, mm | Drill Bit Size, mm | Lg. | Yield Strength | Hardness | Mechanical Finish | Each | ||
|---|---|---|---|---|---|---|---|---|---|
| 4.25 | -0.005 to 0 | 4.25 | 3 1/4" | Not Rated | Rockwell C60 (Extra Hard) | Precision Ground | 2900A284 | 00000 |
Fully Grooved Dowel Pins
Steel
 |
Parallel Groove |
Zinc-Plated Carbon Steel—These pins withstand occasional exposure to moisture. However, since friction from moving parts can wear away the finish, they're not ideal for wet environments. While not nearly as corrosion resistant as stainless steel, they are stronger and won’t deform under stress.
Parallel Groove—Fit tighter than pins with tapered grooves to stay in place under severe vibration. However, they require more force to insert.
Nominal, mm | Max., mm | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Dia. | Dia. Tolerance | Dia. | Dia. Tolerance | Groove Type | Double Shear Breaking Strength, lbf | Min. Hardness | Specs. Met | Pkg. Qty. | Pkg. | |||
Zinc-Plated Carbon Steel | |||||||||||||
4 mm Diameter | |||||||||||||
| 20 | 4 | -0.075 to 0 | 4.25 | -0.05 to 0.05 | Parallel | 2,500 | Rockwell B68 | ISO 8740 | 10 | 5429N123 | 00000 | ||
| 26 | 4 | -0.075 to 0 | 4.25 | -0.05 to 0.05 | Parallel | 2,500 | Rockwell B68 | ISO 8740 | 10 | 5429N125 | 0000 | ||
| 30 | 4 | -0.075 to 0 | 4.25 | -0.05 to 0.05 | Parallel | 2,500 | Rockwell B68 | ISO 8740 | 10 | 5429N126 | 0000 | ||
