Detech 12 x 10" SEF Butterfly Search Coil for Fisher F75, F75+, F75 LTD, F70 Metal Detectors

Detech 12 x 10” SEF Butterfly Search Coil for Fisher F75, F75+, F75 LTD, F70 Metal Detectors 2 4.5 5 1
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You Pay $179.95 List Price: $197.95
In stock: Yes
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This Detech 12 x 10" SEF Butterfly Search Coil is for use with the Fisher F75, F75+, F75 LTD and F70 metal detectors. By upgrading to this coil you will achieve the best depth and most accurate pinpointing. Compared to traditional DD coils, the patented SEF coil technology provides you with more stable operation, better ground balancing and the most accurate target identification. Search coil is waterproof and coil cover is included.

Detech 12 x 10" SEF Butterfly Search Coil for Fisher F75, F75+, F75 LTD and F70 Metal Detectors

Compared to a standard Double D search coil the patented SEF Butterfly design has the following advantages:

  • Better ground balance
  • More stable operation
  • Deeper detection depth
  • Better pinpointing
  • More accurate target identification

Standard DD Versus Detech SEF Butterfly Coil Detection Area

This search coil is produced using the highest quality materials and most advanced manufacturing techniques. The coil is filled with latest lightweight resins and a chopped-strand material for the best in shock resistance. These materials are “transparent” to the electromagnetic waves and provide perfect shielding. The coils are UV and water proof and operate in a wide temperature range.

Technology and Additional Specifications

  • SEF Butterfly: Symmetric Electromagnetic Field
  • 12 x 10" Butterfly
  • Coil cover included
  • Full 2 year warranty
  • Water Proof
  • Double Elliptical Butterfly Coil Design
  • Weight: Approximately 1 Pound, 6 Ounces

Detech makes search coils for a wide variety of metal detector models from today's top brands. This Detech search coil is compatible with the following models of metal detectors:

Why Buy Your Detech 12 x 10" SEF Search Coil for Fisher F75, F75+, F75 LTD and F70 from

Detech has been designing and manufacturing advanced hobby detectors, treasure detectors and deep seeking search coils since 1990. Their patented Ultimate and SEF Butterfly coils enhance all the top models. As the distributor for Detech in the USA and Canada, we stock their full line of deep seeking Detech Metal Detectors and Search Coils. We work closely with Detech to stay current with their latest products and technology. Our factory trained product specialists will take the time to help you pick out the right coil for your needs. Our team is just a phone call away before or after you select your Detech search coil.

Product Specifications
SKU D00029
Leasable with Katapult Yes
Approximate Weight
The approximate weight of the detector when fully assembled.
1 Pound 6 Ounces
The company that produces the detector.
Search Coil Size
The size and dimensions of the search coil
12 x 10" Search Coil
The country where the detector is made
Bulgaria (USA Service Center)
Search Coil Shape Semi Elliptical
Search Coil Type
The type of search coil- Most commonly concentric, DD (also known as wide-scan), and Mono (available for some PI detectors).
SEF Butterfly
The amount of time the manufacturer will cover any broken parts or malfunctioning electronics.
2 Years
Water Resistance
The degree to which the detector is resistant to water. Weatherproof implies that the detector is resistant to splashing and rain. Waterproof implies the detector is fully submerisble. (All models will offer waterproof search coils.)
Waterproof Coil

Ask a question about this product

Does this used coil come with the 2 year warranty and coil cover and the things to attach to your detector?
Question by: John on Mar 12, 2020, 9:12 AM Link
Detech coils do offer a warranty, and ship with coil covers on there. They do not come with hardware, but you are able to use whichever standard coil hardware you detector uses.
Answer by: on Mar 24, 2020, 12:57 PM
Read real stories of what people found with Detech 12 x 10” SEF Butterfly Search Coil for Fisher F75, F75+, F75 LTD, F70 Metal Detectors

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Returns and Exchanges Made Insanely Easy!
Since 1983 we have offered a return policy that is quite simple. We want you to be 100% satisfied with your purchase.  Here are the details in black and white:

Returns & Exchanges:
Within 14 days of receipt of your on line order, you may return or exchange any hobby item in original condition. All products must be unused, unassembled in the original packaging and with the manufacturer's original blank warranty form and instruction manual. Simply call us for a return authorization code and our special returns address before shipping any product back for a refund, store credit or exchange. Refunds are issued to the same credit card, debit card, gift certificate, or other form of payment used in the original transaction.

Non-Defective Returns:
Shipping, handling and insurance fees of $20 for your original ground shipment will be deducted from your refund for non-defective returns. Return shipping and insurance on non-defective merchandise is your responsibility.

Specialty Products:
Security, Industrial, Makro Deep Seeking Detectors, JW Fishers Underwater Search & Recovery, DRS Detectors and special order items are not returnable.