System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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For Drill Bit Shank Type For Drill Bit Shank Type |
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 | Threaded Hub |
Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Shape Shape |
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Tensile Strength Tensile Strength |
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Finish Finish |
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Length Length |
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Drive Style Drive Style |
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Hardness Hardness |
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Thread Fit Thread Fit |
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For Adapting For Adapting |
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Threaded Insert Type Threaded Insert Type |
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 | Key Locking |
Drill Bit Size Drill Bit Size |
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For Tap Thread Size For Tap Thread Size |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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About Masonry Drill Bits
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How to Install Key-Locking Inserts
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Inch-to-Inch Female Hex Thread Adapters
Connect two differently sized male-threaded parts, such as threaded rods, and tighten with a standard wrench. The threads on these adapters have various sizes and spacing, so you can increase or decrease thread size or adapt from coarse to fine threading. You can also use them to change the gender of a connection from male to female. Small adapters can work as threaded standoffs, which position and separate circuit boards and other components in assemblies.
Zinc-plated steel adapters resist corrosion until the plating wears away and are often used in dry environments.
18-8 stainless steel adapters withstand wet environments but will corrode when exposed to salt water and other chloride solutions.
316 stainless steel adapters are ideal in wet environments and will not corrode when exposed to salt water or harsh chemicals.
Adapters that meet ASTM specifications are made from or plated with materials that adhere to standards for chemical and physical properties, such as hardness.
For technical drawings and 3-D models, click on a part number.
Thread Size | Thread Lg. | Thread Fit | Hex | Each | ||||||||
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| (A) | (B) | (A) | (B) | (A) | (B) | Size | Lg. | Specifications Met | Hardness | 1-9 | 10-Up | |
Zinc-Plated Steel | ||||||||||||
| 3/4"-10 | 1 1/4"-7 | 3/4" | 1 1/16" | Class 2B | Class 2B | 1 5/8" | 3" | ASTM A108, ASTM B633 | Rockwell B65 | 000000000 | 000000 | 000000 |
| 7/8"-9 | 1 1/4"-7 | 7/8" | 1 1/16" | Class 2B | Class 2B | 1 5/8" | 3" | ASTM A108, ASTM B633 | Rockwell B65 | 000000000 | 00000 | 00000 |
| 1"-8 | 1 1/4"-7 | 1" | 1 1/16" | Class 2B | Class 2B | 1 5/8" | 3" | ASTM A108, ASTM B633 | Rockwell B65 | 000000000 | 00000 | 00000 |
18-8 Stainless Steel | ||||||||||||
| 3/4"-10 | 1 1/4"-7 | 3/4" | 1 1/16" | Class 2B | Class 2B | 1 5/8" | 3" | ASTM A582 | Rockwell B80 | 000000000 | 00000 | 00000 |
| 7/8"-9 | 1 1/4"-7 | 7/8" | 1 1/16" | Class 2B | Class 2B | 1 5/8" | 3" | ASTM A582 | Rockwell B80 | 000000000 | 00000 | 00000 |
| 1"-8 | 1 1/4"-7 | 1" | 1 1/16" | Class 2B | Class 2B | 1 5/8" | 3" | ASTM A582 | Rockwell B80 | 000000000 | 00000 | 00000 |
316 Stainless Steel | ||||||||||||
| 3/4"-10 | 1 1/4"-7 | 3/4" | 1 1/16" | Class 2B | Class 2B | 1 5/8" | 3" | ASTM A276 | Rockwell B83 | 000000000 | 00000 | 00000 |
Left-Hand to Right-Hand Female Hex Thread Adapters
Often called sleeve nuts, these thread adapters fasten parts with right-hand threads to parts with left-hand threads.
Zinc-plated steel adapters are strong and corrosion resistant.
For technical drawings and 3-D models, click on a part number.
Thread Size | Thread Lg. | Thread Fit | Hex | Each | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | (A) | (B) | Size | Lg. | Hardness | 1-9 | 10-Up | |
Zinc-Plated Steel | |||||||||||
| 1 1/4"-7 | 1 1/4"-7 | 3 1/2" | 3 1/2" | Class 2B | Class 2B | 2" | 7 1/2" | Rockwell B65 | 000000000 | 000000 | 000000 |
Black-Phosphate Steel Key-Locking Inserts
A black-phosphate finish provides mild corrosion resistance. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. Use them to repair or change threads in soft metals such as aluminum. They’re comparable to Keensert® inserts. Installation requires a drill bit, a standard tap, an installation tool, and a hammer.
Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole with stripped threads.
For technical drawings and 3-D models, click on a part number.
Key-Locking Inserts with Installation Tool
Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. These inserts are used to repair or convert threads in soft metals such as aluminum. They’re comparable to Keensert® inserts.
Black-phosphate steel inserts are mildly corrosion resistant.
Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.
For technical drawings and 3-D models, click on a part number.
| Thread Size | For Tap Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | No. of Inserts Included | Each | |
Black-Phosphate Steel with Thick Wall | ||||||||
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| 1 1/4"-7 | 1 5/8"-12 | 1 13/16" | 1 9/16" | 1 9/16" | 4 | 2 | 000000000 | 0000000 |
Thread Adapters for Masonry Drill Bits for Drilling Rigs
Adapt a bit for use on a drilling rig with a different thread size.
| Overall Length | Male Thread Size | Female Thread Size | For Drill Bit Shank Type | Each | |
| 5 3/8" | 5/8"-11 | 1 1/4"-7 | Threaded Hub | 0000000 | 0000000 |