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Description
Rennsteig Double Edged Screw Extractor Size 4Rennsteig (distributed through Knipex) Screw Extractor Size 4, Double Edged Overall Length: 3. 33" The new generation of Screw Extractors, Tapered flute design Made of high strength steel (chrome vanadium) for greater resistance to breaking and rounding out For unscrewing ruined screws and bolts without damaging threads Can be turned in clockwise or counterclockwise direction (for right and left hand threads) Extractor being driven into the bore hole
Rennsteig (distributed through Knipex) Screw Extractor Size 4, Double EdgedOverall Length: 3.33"
The new generation of Screw Extractors, Tapered flute design
Made of high-strength steel (chrome vanadium) for greater resistance to breaking and rounding out
For unscrewing ruined screws and bolts without damaging threads
Can be turned in clockwise or counterclockwise direction (for right-and left-hand threads)
Extractor being driven into the bore hole for firm and safe hold
With center punch pin
Non-slip and dual-edged engagement with the screw or bolt to be removed
Unique hex shank design works well with all standard hex sockets and extensions or box wrenches, eliminating the problem of rounded corners
Surface: burnished, cutting edges polished
Industrial quality
| Article No. | Size | Drill diameter (inch) | Drill diameter (mm) | Hex Shank (inch) | Screw size (inch) | Screw size | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Min | Max | Min | Max | Min | Max | |||
| Double Edged | ||||||||||
| 471 001 3 | 1 | 1/8 | 3/16 | 3.2 | 4.8 | 1/4 | 3/16 | 1/4 | M5 | M6 |
| 471 002 3 | 2 | 3/16 | 9/32 | 4.8 | 7.1 | 3/8 | 5/16 | 3/8 | M8 | M10 |
| 471 003 3 | 3 | 1/4 | 3/8 | 6.4 | 9.5 | 1/2 | 7/16 | 1/2 | M10 | M12 |
| 471 004 3 | 4 | 11/32 | 1/2 | 8.7 | 12.7 | 5/8 | 1/2 | 9/16 | M12 | M16 |
| 471 005 3 | 5 | 7/16 | 5/8 | 11.1 | 15.9 | 3/4 | 5/8 | 3/4 | M16 | M20 |
| 471 006 3 | 6 | 9/16 | 3/4 | 14.3 | 19.1 | 7/8 | 7/8 | 1 | M20 | M24 |
| 471 007 3 | 7 | 3/4 | 15/16 | 19.1 | 23.8 | 1 | 1 | >1 | - | M30 |
| 471 900 3 | Double Edged Screw Extractor 5 Pieces in Vinyl Pouch Set (Size 1-5) | |||||||||
| 471 901 3 | Double Edged Screw Extractor 5 Pieces in Metal Case Set (Size 1-5) | |||||||||
| 471 903 3 | Double Edged Screw Extractor 3 Pieces in Plastic Tube Set (Size 1-3) | |||||||||
| 471 904 3 | Double Edged Screw Extractor 5 Pieces in Plastic Tube Set (Size 1-5) | |||||||||
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
4.0 ★★★★★
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Product Reviews
★★★★★ 5
Give me a try I don’t think it’ll let you down
This has to be the best oil I ever used. I noticed the difference as soon as I put the oil in and started the engine.! I will continue to use this oil for as long as I own, the vehicle and any future cars I may own or drive! I read 75% of the reviews before purchasing this oil . The only thing I’ve noticed. Anyone who gave it below a five star was because they received used motor oil.. in my opinion I think it was returned after somebody filled it up with their used motor oil and returning it for their money back somehow Amazon put it back on the shelf for resale. So take it for what it’s worth but it’s really great oil.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Great oil
Won’t use another brand now that I’ve used these guys. Phenomenal brand, noticeable difference in the engine.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Recommended
Excellent quality, a synthetic mixture that I will no longer use another brand for my car. I removed a little noise that I had
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Buy it !
I run this in our 2010 PT Cruiser Classic, you can hear the difference, pricey but worth it, will buy again.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Nice item
Great product thank you
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Reviewed in the United States on January 23, 2026