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- USA
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Ko-ken Tools Z-Series 3/8" Sq.Dr. Reversible Ratchet, L=280mm (72 Teeth)Ko ken Ratchets Ko ken ratchets are known for their very low backlash, small head sizes, and high torque ranges. We designed the new 72 tooth ratchet without compromising on our traditional strengths. The patented design of the 72T combines the low backlash, small size, and has a 10% higher torque limit in comparison to the 36 tooth ratchet. The legacy 36 tooth ratchets move 10 degree click. The new 72 tooth ratchets move 5 degree click. The design
Ko-ken Ratchets
Ko-ken ratchets are known for their very low backlash, small head sizes, and high torque ranges. We designed the new 72 tooth ratchet without compromising on our traditional strengths. The patented design of the 72T combines the low backlash, small size, and has a 10% higher torque limit in comparison to the 36 tooth ratchet. The legacy 36 tooth ratchets move 10 degree/click. The new 72 tooth ratchets move 5 degree / click.
The design changes include moving from the single pawl of the 36 tooth design to the patented dual pawl of the 72 tooth design. The dual pawl 72 tooth design utilizes a single spring. We took four years of testing to perfect the low spring pressure needed to maintain Ko-ken's hallmark low-torque backlash. The finer 72 teeth design creates more surface area contact with the gear; thus, it has a 10% higher torque upper limit.
The 72T is being released in the Z-Series 3/8" ratchets only in 2021. We will be releasing the 72T in sizes, without compromising the body sizes and low backlash as our testing allows. Look for more new product releases in 2022.
| Input Drive Size: | 3/8" |
| Drive Shape: | Square |
| Length: | 280 mm |
| Head Type: | Fixed |
| Gear Teeth: | 72Teeth |
| Head Thickness: | 13.7mm |
Product Dimension (Refer Line Drawing Image):
| T Size: | 24.5mm |
| D Size: | 28mm |
| H Size: | 13.7mm |
| L Size: | 280mm |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy