Tinius Olsen Tensile Testing
K-Grips, Wedge Grips, Jaws, Inserts, & Insert Holders For Tinius Olsen Quality Testing Machines
Find The Exact Fit With Sjogren's Precision-Engineered Aftermarket Tensile Testing Tooling Designed Specifically For TO Brand Material Testing Machinery.
Product Overview
Tinius Olsen Compression and Tension machinery is globally trusted for their durable tensile testing equipment for metals, polymers, and even rubbers, adhesives and food! We drive the focus on wire and metal rods, though.. of course!
As a leading provider of tensile testing consumables, we proudly support OEM manufacturers like Tinius Olsen's Equipment. Sjogren's precisely engineered replacement jaws, inserts, and holders improve your testing capabilities, enabling your team to make informed decisions with accurate data. Our Tinius Olsen line is crafted to perfectly fit your equipment.
Sjogren has developed a proprietary tooth pattern that provides absolute unmatched durability and grip while ensuring compatibility with your current machinery.
We are your go-to supplier for K-grips, full and partial racks, flat jaws, vee jaws, inserts, and insert holders for the Tinius Tensile Testing machinery lines.

Key Benefits
From TO themselves: "Tensile strength σUTS, or SU, is the stress at which a material breaks or permanently deforms". Our TO style jaws assist with this test on your materials.
Explore the Tinius Olsen Vee-style Wedge grip from Sjogren using our interactive model to get a better understanding of the TO tensile testing tooling line.
Scroll down to access detailed technical specifications and identify your model for complete Tinius tooling line offerings.
1Completely Compatible
Our range of Tinius Olsen replacement machinery k-grips, inserts, and full-rack holders are designed to seamlessly integrate with your TO testing equipment. With the Tinius line, the grips are uniquely designed with a handle, almost like a cooking pan, but for gripping high-tensile material.
The Tinius Olsen replacement Vee wedge is a perfect example of our precision engineering, designed to meet your specifications and ensure a perfect fit with your machinery, with zero opportunity to influence your testing data.
2Precision Cut
Sjogren's engineers are renowned for their expertise, utilizing cutting-edge platforms to craft precise solutions tailored to your specifications.
With their dedication to precision paired with our state-of-the-art machinery featuring 5-axis, fully automated, lights-out operations, our products are the vision of excellence.
Sjogren Industries' Tinius Olsen-Style tooling is meticulously crafted for resilience, designed to handle the most demanding materials with a σUTS capacity of up to 400,000 lbs. This is your testing, your quality control, executed on your terms, and always meeting the highest quality standards—guaranteed.
3Yours, Truly
Sjogren has introduced an innovative Smart-Part Numbering system for our tensile testing line, designed to meet your exact requirements with precision.
This 17-digit part number encapsulates the complete specifications of your material. Each SPN is laser etched onto your product, ensuring effortless identification for you and seamless replication for us whenever replacements are needed.
Send us samples of your required replacement jaws or inserts and we will expertly engineer their replicas, with speed!
4Load-Ready
Among the leading manufacturers of quality testing machines, Tinius is one of the top five known for producing equipment with load capacities ranging from 5,000 to 400,000 lbs., depending on which machine you have and the capacities it is designed for.
Our tensile testing tooling line, featuring meticulously engineered hardened steel, is crafted from the highest quality material available.
This guarantees durability, superior grip, reduced slippage, and precise testing outcomes, unaffected by the accessories themselves.
5Teeth
The Sjogren team has ingeniously crafted a unique tooth pattern that stands unrivaled worldwide, delivering exceptional grip.
This innovation has earned the trust of the foremost GLOBAL automotive and aerospace companies, who rely on Sjogren-branded tensile testing jaws for their most demanding and CRITICAL spring applications, specifically when we speak of quality testing.

Our commitment to unparalleled quality is steadfast, ensuring you receive the same excellence, every time.
How Does The Smart Part Numbering System Work For Tensile Testing Accessories?
The Smart Part Numbering System follow a simply yet logical pattern. For example, if you have a Tinius Olsen machine with 120,000 Capacity, Vee Jaw and Full Rack for .250-.500” Wire Diameter then your Smart Part Number could be:
Industries & Applications
Sjogren's tensile testing products are trusted worldwide by manufacturers in virtually any industry that tests their wire and steel material for quality and tensile capacity:

Industrial & Construction Manufacturing

Wire Processing & Wire Production

Energy & Power

Medical Wire Production

Automotive

Mesh & Welding Manufacturing
Product Measurements and Technical Specifications
Find the tech specs and part numbers for your Tinius Olsen Tensile Testing Replacement Parts
Find Most of our Tinius Olsen Product Line within our Tensile Testing Catalog here and a sample of our jaws, inserts, and k-grips below.
Tinius Olsen Flat and Vee Jaws
View 3.5" FLAT Jaw for 200,000lb. Capacity

Base Number |
Description |
---|---|
TO200350IFN1 | 3.5" FLAT JAW |
View 3.5" VEE Jaw for 200,000lb. Machine Capacity

Base Number |
Description | Wire Range |
---|---|---|
TO200350IVN1 | 3.5" VEE JAW | .50" - 1.0" |
TO200350IVN2 | 3.5" VEE JAW | 1.0" - 1.5" |
TO200350IVN3 | 3.5" VEE JAW | 1.5" - 2.0" |
View 4" FLAT Jaw For 300,000lb. Machine Capacity

Base Number |
Description |
---|---|
TO300400IFN1 | 4" FLAT JAW |
View 4" VEE Jaw for 300,000lb. Machine Capacity

Base Number |
Description | Wire Range |
---|---|---|
TO300400IVN1 | 4" VEE JAW | .50" - 1.0" |
TO300400IVN2 | 4" VEE JAW | 1.0" - 1.5" |
TO300400IVN3 | 4" VEE JAW | 1.5" - 2.0" |
View 4.5" FLAT Jaw For 400,000lb. Machine Capacity

Base Number |
Description |
---|---|
TO400450IFN | 4.5" FLAT JAW |
View 4.5" VEE Jaw for 400,000lb. Machine Capacity

Base Number |
Description | Wire Range |
---|---|---|
TO400450IVN1 | 4.5" VEE JAW | .50" - 1.0" |
TO400450IVN2 | 4.5" VEE JAW | 1.0" - 1.5" |
TO400450IVN3 | 4.5" VEE JAW | 1.9" - 2.6" |
Tinius Olsen K-Grip Inserts and General TO Inserts
View K-Grip Insert For 5,000lb. Machine Capacity

Base Number |
Description |
---|---|
TOXX5081IIN1 | INSERT |
View INSERT for 12,000/20,000/30,000lb. Machine Capacity

Base Number |
Description |
---|---|
TOX12125IIN1 | INSERT |
TOX20125IIN1 | INSERT |
TOX30125IIN1 | INSERT |
View INSERT For 60,000lb. Machine Capacity

Base Number |
Description |
---|---|
TOX60200IIN1 | 3" INSERT |
View INSERT For 100,000/200,000/160,000lb. Machine Capacity

Base Number |
Description |
---|---|
TOX100250IIN1 | 3" INSERT |
TOX120250IIN1 | 3" INSERT |
TOX160250IIN1 | 3" INSERT |
Get the Application Data Sheet
Your Tensile Testing needs are ready to be met with our comprehensive application data sheet. Let us know about your testing application and any applicable data about your testing machine and we will provide you with your quote and associated smart part number!
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Tensile Testing FAQ
What are your minimum order quantities?
All of our tensile testing jaws, inserts, and holders are manufactured in sets of four. when you order a quantity of 1, you will be purchasing a set of four jaws, or four inserts, or four holders.
What are your lead times for tensile testing products?
Sjogren is proud of our nimble ability to offer the fastest lead time in the industry. You can expect an average of two - five weeks, especially for these hardened products that go through a heat-treating process.
Knowing this will allow you to order ahead of your inventory.
What do tensile testing accessories cost?
Our tensile testing lines are highly competitive and they last more than twice as long as our competitors thanks to our enhanced production equipment and expert engineering. We have set pricing on most of our tensile testing line across the board, generally within $500-$1500 per set depending on your specific customizations.
All pricing is subject to change dependent on steel and other metal market pricing.
Want to learn more about our products and the industry?
Dive deeper into our product lines and find the optimal solution for you, or dive into our news section to find the latest updates from how-to's to upcoming events and past.
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