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16773-8M/A – 8-Piece Long Arm Ball Point Hex Key Wrench Set | S2 Steel
16773-8M/A Series: 8-Piece S2 Steel Long Arm Ball Point Hex Key Wrench Set
- 8 PCS Long-Arm Ball Point Hex-Key Wrench Set
- 8件式 長臂球頭六角扳手組
- 8件 长臂球头六角扳手组
- 8本組 ロングアーム ボールポイント 六角レンチセット
- 8PCS 롱암 볼포인트 육각키 세트
- 8-tlg. Langarm Kugelkopf-Inbusschlüsselsatz
- Jeu de 8 clés hexagonales longues à tête sphérique
- Juego de 8 llaves hexagonales largas con punta esférica
- Wrench all we can support
- Handle Introduction-Plier-Torque Wrench and Wrench
16773-8M/A series is a 8-piece industrial hex key solution engineered for high-torque fastening in restricted mechanical environments. Forged from S2 Shock-Resistant Alloy Steel, these wrenches are heat-treated to achieve a superior balance of hardness and ductility. The dual-end design combines a standard hex end for maximum torque and a precision ball point end for rapid engagement at difficult angles.
| ITEM NO. |  | 1773M/A (long) |  g |  SET |
|---|---|---|---|---|
| 16773-7M | 7 PCS | 2.5, 3, 4, 5, 6, 8, 10mm | 375 | 12 |
| 16773-7A | 7 PCS | ⅛, ⁵ᐟ₃₂, ³ᐟ₁₆, ⁷ᐟ₃₂, ¼, ⁵ᐟ₁₆, ⅜ | 375 | 12 |
| 16773-8M | 8 PCS | 1.5, 2, 2.5, 3, 4, 5, 5.5, 6mm | 141 | 12 |
| 16773-8A | 8 PCS | ¹ᐟ₁₆, ⁵ᐟ₆₄, ³ᐟ₃₂, ⅛, ⁵ᐟ₃₂, ³ᐟ₁₆, ⁷ᐟ₃₂, ¼ | 141 | 12 |
| 16773-9M | 9 PCS | 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm | 389.6 | 12 |
| 16773-9A | 9 PCS | ¹ᐟ₁₆, ⁵ᐟ₆₄, ³ᐟ₃₂, ⅛, ⁵ᐟ₃₂, ³ᐟ₁₆, ¼, ⁵ᐟ₁₆, ⅜ | 389.6 | 12 |
| 16773-29M | 9 PCS | 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm | 408.3 | 12 |
| 16773-29A | 9 PCS | ¹ᐟ₁₆, ⁵ᐟ₆₄, ³ᐟ₃₂, ⅛, ⁵ᐟ₃₂, ³ᐟ₁₆, ¼, ⁵ᐟ₁₆, ⅜ | 408.3 | 12 |
Feature
Technical Architecture & Material Logic
- Industrial S2 Alloy Construction: S2 steel is specifically alloyed for impact and high-torsion resistance. It provides the structural “toughness” necessary to prevent the wrench teeth from rounding or shattering when breaking loose seized industrial fasteners.
- 25-Degree Ball Point Entry: The ball-end geometry allows the tool to engage the socket-head bolt at up to a 25-degree angle. This is critical for MRO (Maintenance, Repair, and Operations) where pipes, brackets, or wiring prevent a straight-line approach.
- Extended Long Arm Reach: The long-arm architecture provides increased leverage, allowing the operator to apply significantly more rotational force with less physical effort compared to standard-length keys.
- M/A Size Regulation (Verified via Table): * Metric (M): Designed for ISO-standard machinery and automotive applications.
- SAE/Imperial (A): Designed for North American industrial and legacy equipment standards.
- Precision Chamfered Ends: Both the hex and ball point ends are precision-machined with burr-free chamfered edges. This ensures a zero-tolerance fit into the fastener, protecting the internal walls of the bolt head from damage.
B2B Procurement & Workshop ROI
- Shock-Resistant Performance: S2 steel’s ability to absorb shock makes these keys ideal for use in environments where sudden torque loads are common, reducing the frequency of tool failure.
- Fastener Preservation: The high-tolerance machining of the S2 steel profile ensures maximum surface contact, preventing the “stripping” of expensive stainless steel or titanium socket-head cap screws.
- Visual Inventory Management: Supplied in a high-visibility, hinged storage index. This allows technicians to immediately identify missing sizes before leaving a job site or closing a tool trolley.
FAQ Section
Why is S2 steel used for these hex keys? S2 steel is the global standard for high-end hex keys because of its shock-resistant properties. While very hard, it has enough elasticity to “spring” back to its original shape after high-torque use, whereas lower-grade steels would stay bent or snap.
Can the ball point be used for final tightening? The ball point is designed for rapid threading and unthreading at an angle. For the final “break-loose” or the last high-torque tighten, always use the standard short-arm hex end. This ensures you can apply the full torque capacity of the S2 steel safely.
How do I choose between Metric (M) and SAE (A)? The M/A designation in the 16773-8 series means both versions are available. Most international industrial machinery uses Metric (M), while many specialized North American systems require SAE (A). Check your equipment’s technical manual to ensure the correct set is in your tool trolley.
