Free shipping on orders overFree shipping over $250 Lower 48 states and DC. Excludes freight and oversize.

5 Piece 3/8 Inch Nano Drive Size Adapter Set - Astro Pneumatic

Part #: 78305

The Astro Pneumatic 78305 5 Piece 3/8 Inch Nano Drive Size Adapter Set is engineered to significantly expand the capabilities of nano ratcheting wrenches. This versatile set allows professional technicians and mechanics to utilize traditional square drive sockets and hex bit accessories in confined and hard-to-reach spaces where full-size tools cannot fit. It provides essential adaptability, enabling seamless transitions between various drive styles without requiring a change in tools.

Key Features

  • Nano Drive Compatibility: Specifically designed with 17mm outside hex adapters to integrate with Astro Pneumatic nano ratcheting wrenches, supporting traditional socket and hex bit designs.
  • Versatile Drive Options: Includes 3/8" drive square adapters in 1/4", 3/8", and 1/2" sizes, enhancing the utility of your nano tools with a broader range of sockets.
  • Wobble Adapter for Enhanced Access: Features a 3/8" wobble adapter, providing improved flexibility and reach around obstructions and in tight fastener locations.
  • Secure Bit Retention: A stubby magnetic 1/4" hex bit socket ensures bits are held securely in place, minimizing dropped hardware and boosting operational efficiency.
  • Professional-Grade Construction: Crafted from high-strength steel with a protective black coating, these adapters are built for reliable performance and exceptional longevity, even under high torque and repeated use in demanding shop environments.
  • Compact Design: The nano drive form factor reduces tool overhang, improves balance, and allows for precise fastener engagement in extremely tight areas.

Applications

This adapter set is ideal for professional technicians undertaking detailed mechanical work that demands precision and maneuverability. It is particularly well-suited for routine vehicle maintenance, including bracket removal, and intricate trim or engine work where standard extensions and adapters prove too bulky. The set expands the functionality of nano ratcheting wrenches across automotive, industrial, and general mechanical projects, ensuring the right tool is available for challenging angles and mismatched tool sizes.

Specifications

  • Socket Adapter Material: Steel
  • Adapter Outside Hex Size: 17mm
  • Total Weight: Approximately 1 lb (for the set)
We have 117 in stock Inventory available from other suppliers, prices may be different
List: $56.50 Save: $20.18

$36.32

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
Add to Cart:
  • (image for) Astro Pneumatic
    Other products
    Astro Pneumatic Homepage
  • Model: 423010
  • Shipping Weight: 0.65lbs
  • UPC: 745227086313
  • Manufacturers Part #: 78305
  • Manufactured by: Astro Pneumatic
  • Also Known As: AST78305, AO78305, AST-78305

This product was added to our catalog on Tuesday 14 April, 2026.

Similar Products

(image for) 17MM 3/8 DR NANO SOCKET
17MM 3/8 DR NANO SOCKET
Astro Pneumatic 7831412
Your Price: $5.81
(image for) 3/8INDRHEAD IN 1/4INRTCHTB
3/8INDRHEAD IN 1/4INRTCHTB
Astro Pneumatic 93808
Your Price: $18.16
List Price: $22.38
19% off
(image for) 14mm 3/8" Drive Low Profile Nano Impact Socket
14mm 3/8" Drive Low Profile Nano Impact Socket
Astro Pneumatic 7831409
Your Price: $2.30
List Price: $4.2
45% off
(image for) 3/8" Drive Nano Impact Wrench 10mm
3/8" Drive Nano Impact Wrench 10mm
Astro Pneumatic AO7831405
Your Price: $3.94
(image for) Astro Pneumatic 13pc 1/4" Drive Nano Impact Sockets Metric
Astro Pneumatic 13pc 1/4" Drive Nano Impact Sockets Metric
Astro Pneumatic 78113
Your Price: $37.14
List Price: $53.1
30% off
(image for) Astro Pneumatic 10.5" Long Flex Head Nano Socket Ratchet Wrench
Astro Pneumatic 10.5" Long Flex Head Nano Socket Ratchet Wrench
Astro Pneumatic 783105
Your Price: $25.58
List Price: $27.99
9% off
(image for) 20 Piece 3/8 Inch Drive with Outside Hex Nano Impact Torx, Metri
20 Piece 3/8 Inch Drive with Outside Hex Nano Impact Torx, Metri
Astro Pneumatic 78320
Your Price: $91.87
List Price: $154.85
41% off
(image for) Stubby Ratcheting Flex Head Double Box End Wrench for Nano Socke
Stubby Ratcheting Flex Head Double Box End Wrench for Nano Socke
Astro Pneumatic 78301
Your Price: $35.94
List Price: $59.23
39% off
(image for) Extra-Long Flex Head Ratchet Wrench for 1/2 Inch Nano Sockets
Extra-Long Flex Head Ratchet Wrench for 1/2 Inch Nano Sockets
Astro Pneumatic 78218
Your Price: $41.03
List Price: $63.83
36% off
(image for) 5 Piece 1/4 Inch Nano Drive Size Adapter Set
5 Piece 1/4 Inch Nano Drive Size Adapter Set
Astro Pneumatic 78105
Your Price: $32.29
List Price: $50.23
36% off
(image for) 5/8" x 6" 3/8" Drive Universal
5/8" x 6" 3/8" Drive Universal
Astro Pneumatic 944042
Your Price: $17.67
(image for) 3/8 Drive 17mm Nano Mid-Length
3/8 Drive 17mm Nano Mid-Length
Astro Pneumatic 78344M08
Your Price: $15.43