Mayhew Tools Dual Drive 4mm Hex Bit
5 Great reasons to buy from us:
Features and Benefits:
- 4 MM Metric Hex Dual Drive Bit
- 7/16" Drive
- Precision tip profile manufacture for positive and precise fastener engagement
- Titanium Nitride coating for added strength and wear resistance
- Unique Dual Drive design allows the bit to be driven by a Ratchet
- Socket Spinner
- Box or Open End Wrench
- Compatible with 1/4” Square Drives and 7/16” Hex Drives
Warranty: Lifetime, does not cover abuse or neglect.
- Made from S2 Tool Steel with proprietary heat treat for superior strength and durability, Mayhew's dual drive bits have a precision tip profile for positive and precise fastener engagement. A titanium nitride coating provides added strength and wear resistance. Available in a range of sizes and styles.
Estimated between and
Will usually ship within 1 business day. Drop Ship will ship within 2 days.
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Please allow 3 to 8 days for your order to arrive. We stock most of our products and ship daily. This means there is minimal delays in your order. We also drop ship from multiple warehouses, this may take up to 2 days shipping. You will be notified with tracking information once product ships. Overnight shipping is available for an additional cost. Please contact us for information before placing an order. |
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Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |

Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap!

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Features and Benefits:
- 4 MM Metric Hex Dual Drive Bit
- 7/16" Drive
- Precision tip profile manufacture for positive and precise fastener engagement
- Titanium Nitride coating for added strength and wear resistance
- Unique Dual Drive design allows the bit to be driven by a Ratchet
- Socket Spinner
- Box or Open End Wrench
- Compatible with 1/4” Square Drives and 7/16” Hex Drives
Warranty: Lifetime, does not cover abuse or neglect.
- Made from S2 Tool Steel with proprietary heat treat for superior strength and durability, Mayhew's dual drive bits have a precision tip profile for positive and precise fastener engagement. A titanium nitride coating provides added strength and wear resistance. Available in a range of sizes and styles.
Estimated between and
Will usually ship within 1 business day. Drop Ship will ship within 2 days.
![]() |
Please allow 3 to 8 days for your order to arrive. We stock most of our products and ship daily. This means there is minimal delays in your order. We also drop ship from multiple warehouses, this may take up to 2 days shipping. You will be notified with tracking information once product ships. Overnight shipping is available for an additional cost. Please contact us for information before placing an order. |
|
![]() |
Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |

Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap!

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.
