System of Measurement System of Measurement |
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ID ID | Show |
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ID ID | Hide |
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For Drill Bit Size For Drill Bit Size |
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Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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For Drill Bit Size Decimal Equivalent For Drill Bit SizeDecimal Equivalent |
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Hardness Hardness |
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Installation Type Installation Type |
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 | Permanent |
Shape Shape |
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 | Round Tube |
Drill Bushing Style Drill Bushing Style |
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Wall Thickness Wall Thickness |
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Specifications Met Specifications Met |
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Appearance Appearance |
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 | Plain |
Fabrication Fabrication |
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Elongation Elongation |
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Tolerance Rating Tolerance Rating |
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Minimum Temperature Minimum Temperature |
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Certificate Certificate |
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Heat Treatable Heat Treatable |
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Maximum Hardness After Heat Treatment Maximum HardnessAfter Heat Treatment |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
Easy-to-Weld 4130 Alloy Steel Round Tubes
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Specifications Met: See table
4130 alloy steel has a low carbon content that provides good weldability. It's often used for gears, fasteners, and structural applications. These tubes meet military specifications and SAE dimensional standards.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
| OD | OD Tolerance | ID | Yield Strength | Hardness | Maximum Hardness After Heat Treatment | Specifications Met | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.035" Wall Thick. (-0.005" to 0.005" Tolerance) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4" | -0.005" to 0.005" | 0.18" | 70,000 psi | Rockwell C20 | Rockwell C49 | MIL-T-6736, SAE AMS-T-6736, SAE AMS6360 | 0.030" per 3 ft. | 000000000 | |||
Press-Fit Drill Bushings
Mount flush with jig plates for precise drilling. These bushings can also be used as spacers, shims, and machinery bushings.
Don't see the size you need? Additional sizes are available.
For technical drawings and 3-D models, click on a part number.
Tolerance | Each | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | Lg. | For Drill Bit Size | ID | OD | Lg. | Drill Bushing Type | Material | Hardness | 1-5 | 6-11 | 12-Up | |
0.18" ID | ||||||||||||
| 1/4" | 3/4" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.015" to 0.015" | P | Steel | Rockwell C61 | 00000000 | 000000 | 000000 | 000000 |
| 1/4" | 1" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.015" to 0.015" | P | Steel | Rockwell C61 | 00000000 | 00000 | 00000 | 00000 |
| 5/16" | 1/4" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Steel | Rockwell C61 | 000000000 | 0000 | 0000 | 0000 |
| 5/16" | 5/16" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Steel | Rockwell C61 | 000000000 | 0000 | 0000 | 0000 |
| 5/16" | 3/8" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.015" to 0.015" | P | Steel | Rockwell C61 | 00000000 | 00000 | 00000 | 00000 |
| 5/16" | 1/2" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.015" to 0.015" | P | Steel | Rockwell C61 | 00000000 | 00000 | 00000 | 00000 |
| 5/16" | 5/8" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Steel | Rockwell C61 | 000000000 | 0000 | 0000 | 0000 |
| 5/16" | 3/4" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Steel | Rockwell C61 | 000000000 | 0000 | 0000 | 0000 |
| 5/16" | 1" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Steel | Rockwell C61 | 000000000 | 00000 | 0000 | 0000 |
| 5/16" | 1 3/8" | No. 15 | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Steel | Rockwell C61 | 000000000 | 00000 | 00000 | 0000 |
Press-Fit Drill Bushings with Head
The head prevents these bushings from being pushed through the jig when drilling pressure is extreme. The head sits above the jig plate or can be mounted flush by installing in a counterbored hole. Drill bushings can also be used as spacers, shims, and machinery bushings.
Don't see the size you need? Additional sizes are available.
For technical drawings and 3-D models, click on a part number.
Head | Tolerance | Each | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | Lg. | For Drill Bit Size | OD | Thick. | ID | OD | Lg. | Drill Bushing Type | Material | Hardness | 1-5 | 6-11 | 12-Up | |
0.18" ID | ||||||||||||||
| 5/16" | 1/4" | No. 15 | 27/64" | 1/8" | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.015" to 0.015" | H | Steel | Rockwell C61 | 00000000 | 000000 | 000000 | 00000 |