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HD-39 High-Strength Bolt Test Wedge Load Fixture

The high-strength bolt test fixture is meticulously designed and manufactured by our company using specialized materials in accordance with the relevant national standard GB/T 3098.1-2010. By employing various configuration options, it can perform wedge‑load tests on bolts, conventional tensile tests, minimum tensile load verification tests for bolts, nut‑load verification tests, and bolt‑ball joint tests.

Category:

Steel Structure Testing Equipment

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E-mail:

lbt@lbt.ltd

WhatsApp:

+86-15102211717

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HD-39 High-Strength Bolt Test Wedge Load Fixture

Description

Product Introduction:

The high-strength bolt testing fixture is meticulously designed and manufactured by our company using specialized materials in accordance with the relevant national standard GB/T 3098.1-2010. By employing various configuration options, it enables wedge‑load testing of bolts, conventional tensile testing, minimum proof tensile load testing of bolts, nut‑proof load testing, and bolt‑ball joint testing. The fixture is secured to the grips of a universal testing machine via connecting tie rods, allowing for a wide range of tensile tests; no additional equipment or modifications are required when used with standard hydraulic universal testing machines.

Meets the standard

GB/T 3098.1 “Mechanical Properties of Fasteners — Bolts, Screws, and Studs”

GB 50205 Code for Acceptance of Construction Quality of Steel Structures

JG/T 10 “Steel Space Frame Bolted Sphere Joints”

GB/T 16939 “High-Strength Bolts for Bolted Sphere Joints of Steel Space Frames”

Technical specifications:

1. Maximum tensile force in the wedge load test: 1200 kN (M39-10.9s)

2. Minimum tensile load test for bolts: 1020 kN (M39-10.9s)

3. Nut Proof Load Test: 1035 kN (M39-10s)

4. Bolt Proof Load Test: 810 kN (M39-10.9s)

5. Suitable for bolt sizes M33–M39, bolts of grade 10.9 and lower!

6. Standard configuration applicable bolt length: ≥90 mm

7. Fixture material: 40Cr; Hardness: HRC 45–50

8. Surface Treatment: Blackening Treatment

9. Clamping method: Use the universal testing machine’s round jaws to clamp the tension cup pull rod.

10. Fixture Configuration List:

1) One pair of clamping fixtures (including tie rods) (total of 4 pieces)

2) One flat washer each for M33, M36, and M39 (total of 3 pieces)

3) Two tension rings each of sizes M33, M36, and M39 (total of 6 pieces)

4) One set each of wedge loads M33, M36, and M39 (2 pieces per set, for a total of 6 pieces)

5) One test mandrel each for nuts M33, M36, and M39 (total of 3 pieces)

Also included is a universal tension ring for the M42 mandrel!

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

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Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

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Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.

Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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Keywords:

HD-39 High-Strength Bolt Test Wedge Load Fixture

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E-mail:lbt@lbt.ltd

Address:Tianjin Jinghai Economic Development Zone

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