Head Bolt Kits - Mechanics Tools & Bits https://www.mechanicstoolsandbits.com Time-Sert Thread Repair & Walton Tap Extractors Fri, 21 Feb 2025 21:03:29 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 Time-Sert EN-42385-50 M12 x 1.75 Gen V Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-en-42385-50-m12-x-1-75-gen-v-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-en-42385-50-m12-x-1-75-gen-v-head-bolt-thread-repair-kit/#respond Fri, 01 Dec 2023 13:50:04 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4160 Time-Sert EN-42385-50 is a M12 x 1.75 Head Bolt Thread Repair Kit used for Gen V engines. This kit is used for first time thread repairs. Application 2015 LS9 2014 Corvette 6.2L V8 Full-size Trucks 4.3L V6, 5.3L V8 or 6.2L V8 Silverado, Sierra, Tahoe, Yukon, Escalade or Suburban Kit Includes Tap Step Drill with […]

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]]> Time-Sert EN-42385-50 is a M12 x 1.75 Head Bolt Thread Repair Kit used for Gen V engines. This kit is used for first time thread repairs.

Application

  • 2015 LS9
  • 2014 Corvette 6.2L V8
  • Full-size Trucks 4.3L V6, 5.3L V8 or 6.2L V8 Silverado, Sierra, Tahoe, Yukon, Escalade or Suburban

Kit Includes

The post Time-Sert EN-42385-50 M12 x 1.75 Gen V Head Bolt Thread Repair Kit first appeared on Mechanics Tools & Bits.

]]> https://www.mechanicstoolsandbits.com/product/time-sert-en-42385-50-m12-x-1-75-gen-v-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 8313 M12 x 1.5mm Chrysler Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-8313-m12-x-1-5mm-chrysler-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-8313-m12-x-1-5mm-chrysler-head-bolt-thread-repair-kit/#respond Fri, 01 Dec 2023 13:43:58 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4150 Time-Sert 8313 thread repair kit for first time repairs on Chrysler M12 x 1.5 head bolts that have the starting thread depth of 21mm (0.827 inch). The distance from 1 head bolt to the next should be 106mm (4.172″). Thread repair kit includes all the tools and 16 inserts (Part No. 12159). NOTE: The standard […]

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]]> Time-Sert 8313 thread repair kit for first time repairs on Chrysler M12 x 1.5 head bolts that have the starting thread depth of 21mm (0.827 inch). The distance from 1 head bolt to the next should be 106mm (4.172″).

Thread repair kit includes all the tools and 16 inserts (Part No. 12159).

NOTE: The standard universal head bolt kit part number 4800 will NOT work for this application because the part number 8313 uses the wider fixture pattern to fit this 106mm head bolt distance.

Click here: for video instructions

Order Carbon Steel Inserts – Click Here

Get Useful Tools, Tap Guides, and More – Click Here

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-8313-m12-x-1-5mm-chrysler-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 6250 M10 x 1.25 Universal Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-6250-m10-x-1-25-universal-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-6250-m10-x-1-25-universal-head-bolt-thread-repair-kit/#respond Fri, 01 Dec 2023 13:17:54 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4116 The Time-Sert 6250 M10 x 1.25 universal head bolt thread repair kit used for M10 x 1.25 head bolt thread repair in cylinder heads. The 6250 thread repair kit by Time Sert is for first time repairs, if you are repairing a second time stripped thread, please use the Big-Sert 6250BS thread repair kit. M10 […]

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]]> The Time-Sert 6250 M10 x 1.25 universal head bolt thread repair kit used for M10 x 1.25 head bolt thread repair in cylinder heads. The 6250 thread repair kit by Time Sert is for first time repairs, if you are repairing a second time stripped thread, please use the Big-Sert 6250BS thread repair kit. M10 x 1.25 head bolts are commonly used in some Honda Civics, Nissan 350Z’s and Mercedez automobiles.

Time Sert 6250 universal head bolt kits can be used in any application in size available. A simple tool setup is all that is required. Please read the included laminated instructions to learn more.

The 6250 thread repair kit includes ten (10) Time-Sert 10129 inserts.

Time Sert 6250 Thread Repair Kits Include FREE Shipping.

Click here: for video instructions

Order Carbon Steel Inserts – Click Here

Get Useful Tools, Tap Guides, and More – Click Here

Click Here For Instructions

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-6250-m10-x-1-25-universal-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 4900 M12 x 1.75mm Universal Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-4900-m12-x-1-75mm-universal-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-4900-m12-x-1-75mm-universal-head-bolt-thread-repair-kit/#respond Fri, 01 Dec 2023 13:14:36 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4103 The Time-Sert 4900 M12 x 1.7 universal head bolt thread repair kits are used in first time thread repair. The Time Sert 4900 kit includes ten (10) Time-Sert 12179 carbon steel inserts. The 4900 thread repair kit is made in the United States by Time Sert. Click here: for video instructions Order Carbon Steel Inserts […]

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]]> The Time-Sert 4900 M12 x 1.7 universal head bolt thread repair kits are used in first time thread repair. The Time Sert 4900 kit includes ten (10) Time-Sert 12179 carbon steel inserts. The 4900 thread repair kit is made in the United States by Time Sert.

Click here: for video instructions

Order Carbon Steel Inserts – Click Here

Get Useful Tools, Tap Guides, and More – Click Here

Click Here For Instructions

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-4900-m12-x-1-75mm-universal-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 4800 M12 x 1.5 Universal Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-4800-m12-x-1-5-universal-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-4800-m12-x-1-5-universal-head-bolt-thread-repair-kit/#respond Fri, 01 Dec 2023 13:09:05 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4091 he Time-Sert 4800 M12 x 1.5 universal head bolt thread repair kit is used for first time thread repairs. Time Sert 4800 head bolt kit is a universal kit, please use the instructions to be used with any application in size available. Ten (10) Time-Sert 12159 inserts are included with the Time-Sert 4800 universal head […]

The post Time-Sert 4800 M12 x 1.5 Universal Head Bolt Thread Repair Kit first appeared on Mechanics Tools & Bits.

]]> he Time-Sert 4800 M12 x 1.5 universal head bolt thread repair kit is used for first time thread repairs. Time Sert 4800 head bolt kit is a universal kit, please use the instructions to be used with any application in size available. Ten (10) Time-Sert 12159 inserts are included with the Time-Sert 4800 universal head bolt kit.

Click here: for video instructions

Order Carbon Steel Inserts – Click Here

Get Useful Tools, Tap Guides, and More – Click Here

Click Here For Instructions

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-4800-m12-x-1-5-universal-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 4700 M12 x 1.25 Universal Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-4700-m12-x-1-25-universal-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-4700-m12-x-1-25-universal-head-bolt-thread-repair-kit/#respond Fri, 24 Nov 2023 21:01:40 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4078 The Time-Sert 4700 M12 x 1.25 universal head bolt thread repair kit is to be used in first time thread repair applications only. Time Sert 4700 head bolt kit includes ten (10) Time-Sert 12127 carbon steel head bolt inserts. The Time-Sert 4700 universal head bolt kits can be used in any application in size available. […]

The post Time-Sert 4700 M12 x 1.25 Universal Head Bolt Thread Repair Kit first appeared on Mechanics Tools & Bits.

]]> The Time-Sert 4700 M12 x 1.25 universal head bolt thread repair kit is to be used in first time thread repair applications only. Time Sert 4700 head bolt kit includes ten (10) Time-Sert 12127 carbon steel head bolt inserts. The Time-Sert 4700 universal head bolt kits can be used in any application in size available. A simple tool setup is all that is required, please read the included laminated instructions.

Click here: for video instructions

Order Carbon Steel Inserts – Click Here

Get Useful Tools, Tap Guides, and More – Click Here

Click Here For Instructions

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-4700-m12-x-1-25-universal-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 3700 M11 x 2.0 Universal Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-3700-m11-x-2-0-universal-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-3700-m11-x-2-0-universal-head-bolt-thread-repair-kit/#respond Fri, 24 Nov 2023 20:57:44 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4065 Time-Sert 3700 M11x2.0MM Universal Head Bolt Thread Repair Kit Universal head bolt kits can be used in any application in size available. A simple tool setup is all that is required read more in the instructions. The Time-Sert 3700 is for first time repairs (holes that have not been repaired previously). Since this is a […]

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]]> Time-Sert 3700 M11x2.0MM Universal Head Bolt Thread Repair Kit

Universal head bolt kits can be used in any application in size available.
A simple tool setup is all that is required read more in the instructions.
The Time-Sert 3700 is for first time repairs (holes that have not been repaired previously). Since this is a universal kit, the instructions must be followed because of several applications are covered. Marking the depth on the drill tap and driver is very important.

If you are looking for second time thread repair you must purchase the Big-Sert 3700BS.

There are 10 inserts included in each Universal head bolt kit M11 x 2.0MM
Click here: for video instructions

Order Carbon Steel Inserts Click Here

Click Here for Instructions

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-3700-m11-x-2-0-universal-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 15100 1/2-13 Subaru Conversion High Horsepower Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-15100-1-2-13-subaru-conversion-high-horsepower-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-15100-1-2-13-subaru-conversion-high-horsepower-head-bolt-thread-repair-kit/#respond Fri, 24 Nov 2023 20:52:11 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4052 Time-Sert 15100 1/2-13 Subaru Conversion High HP Head Bolt Thread Repair Kit TIME-SERT 1/2-13 Subaru Conversion Special High Horsepower application converts M11x1.25 to 1/2-13There are 12 inserts included in each Time-Sert 15100 Universal head bolt kit Insert Size: 1/2-13 x 1.180 Order More Inserts – 15105 Get Useful Tools, Tap Guides, and More – Click […]

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]]> Time-Sert 15100 1/2-13 Subaru Conversion High HP Head Bolt Thread Repair Kit

TIME-SERT 1/2-13 Subaru Conversion
Special High Horsepower application converts M11x1.25 to 1/2-13There are 12 inserts included in each Time-Sert 15100 Universal head bolt kit
Insert Size: 1/2-13 x 1.180
Order More Inserts – 15105

Get Useful Tools, Tap Guides, and More – Click Here

Click Here For Instructions

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-15100-1-2-13-subaru-conversion-high-horsepower-head-bolt-thread-repair-kit/feed/ 0 Time-Sert 11125 M11 x 1.25 Universal Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/time-sert-11125-m11-x-1-25-universal-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/time-sert-11125-m11-x-1-25-universal-head-bolt-thread-repair-kit/#respond Fri, 24 Nov 2023 20:45:44 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4040 The Time-Sert 11125 M11 x 1.25 universal head bolt thread repair kit is commonly used on Subaru’s, Nissan and Infinite vehicles. Time-Sert 11125 is a universal head bolt thread repair kit and can be used in a variety of applications in the size available. The Time Sert 11125 kit includes twelve (12) Time-Sert 11127 carbon […]

The post Time-Sert 11125 M11 x 1.25 Universal Head Bolt Thread Repair Kit first appeared on Mechanics Tools & Bits.

]]> The Time-Sert 11125 M11 x 1.25 universal head bolt thread repair kit is commonly used on Subaru’s, Nissan and Infinite vehicles. Time-Sert 11125 is a universal head bolt thread repair kit and can be used in a variety of applications in the size available.

The Time Sert 11125 kit includes twelve (12) Time-Sert 11127 carbon steel inserts.

 

The Time-Sert 11125 head bolt thread repair kit includes FREE 2 Day Shipping.

Order Carbon Steel Inserts – Click Here

Get Useful Tools, Tap Guides, and More – Click Here

Click Here For Instructions

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]]> https://www.mechanicstoolsandbits.com/product/time-sert-11125-m11-x-1-25-universal-head-bolt-thread-repair-kit/feed/ 0 Big-Sert 4900BS M12 x 1.75mm Oversized Universal Head Bolt Thread Repair Kit https://www.mechanicstoolsandbits.com/product/big-sert-4900bs-m12-x-1-75mm-oversized-universal-head-bolt-thread-repair-kit/ https://www.mechanicstoolsandbits.com/product/big-sert-4900bs-m12-x-1-75mm-oversized-universal-head-bolt-thread-repair-kit/#respond Fri, 24 Nov 2023 20:38:51 +0000 https://www.mechanicstoolsandbits.com/?post_type=product&p=4038 Big-Sert 4900BS M12 x 1.75mm Oversized Universal Head Bolt Thread Repair Kit BIG-SERT OVERSIZED UNIVERSAL HEAD BOLT 10 inserts of a 30mm length included in kit. Normally used when a helicoil or coil style insert has failed Click here for NOTES: head alignment Dowel for GM, Toyota and Honda. Universal head bolt kits can be […]

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]]> Big-Sert 4900BS M12 x 1.75mm Oversized Universal Head Bolt Thread Repair Kit

BIG-SERT OVERSIZED UNIVERSAL HEAD BOLT
10 inserts of a 30mm length included in kit.
Normally used when a helicoil or coil style insert has failed

Click here for NOTES: head alignment Dowel for GM, Toyota and Honda.

Universal head bolt kits can be used in any application in size available.
A simple tool setup is all that is required read more in the instructions
There are 10 inserts included in each Universal head bolt kit.Click here: for video instructions

PROFESSIONAL THREAD REPAIR SYSTEM
SCREW THREAD INSERTS AMERICAN & METRIC SIZES

TIME-SERT is a thread renewal system Easily repair stripped or damaged threads

Time Sert inserts self locking. On installation the bottom internal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place.

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