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Nuclear Radiation Protection
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Nuclear Radiation Detector
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Copper Foil Shielding
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RF Shielded Doors
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RF Shielded Windows
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Radiation Protection Lead Glass
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Non Magnetic Tool Kit
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RF Shielded Chamber
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Honeycomb Waveguide Air Vents
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Conductive Adhesive Copper Tape
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Copper Wire Mesh
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X Ray Lead Glass
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EMI Shielding Gasket
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Electrically Conductive Fabric
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Radiation Protection Door
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Radiation Protection X Ray
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Faraday Cage MRI
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Copper Wire Wool
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MRI LED Lighting
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Non Magnetic Wheelchair
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Non Magnetic Stretcher
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AnasBrass honeycomb vent Looks Very Nice -
SatheeshMRI/RF doors are shining with handles, Thank you My friend.
ESD Safe Non Magnetic Tool Kit with Corrosion Resistant Titanium Tools in a Portable Hard Plastic Case
| Brand Name | Jovi |
|---|---|
| Certification | ISO |
| Model Number | 1-cf-7 |
| Document | JVVM-NMT-Series SPE and Quo...on.pdf |
| Minimum Order Quantity | 1set |
| Price | $1880 |
| Packaging Details | Carton&wooden Box |
| Delivery Time | 7-14days |
| Payment Terms | T/T |
| Supply Ability | 300 Set / Month |
| Case Material | Hard Plastic | Size Options | 6", 8" Or Customized |
|---|---|---|---|
| Tool Count | 26pcs | Material Composition | Ti-6Al-4V |
| Hardness | 38 HRC | Magnetic Susceptibility | < 5 × 10⁻⁶ |
Scenario 1: The Artifact That Delayed Diagnosis
A 3T brain scan shows unexplained signal dropout. Radiologist cancels clinic. MRI engineer spends 45 minutes finding a 2 mm stainless hex key fragment embedded in patient table foam. Six patient appointments rescheduled. Cost: $3,200 in lost revenue + radiologist frustration.
Scenario 2: The Quench That Cost $150,000
A steel screwdriver tip breaks inside cryostat port during helium fill. Ferromagnetic fragment falls into cold bore. Scanner quenches. Helium refill: $60,000. Gradient coil replacement: $80,000. Lost scans: 200 patients × $500 = $100,000. Total >$240,000. Insurance denies claim – “non‑compliant tools used.”
Scenario 3: The Brass Wrench That Stripped at 3 AM
Emergency call: MRI not booting. Engineer finds loose gradient coil connection but cannot tighten – brass hex key stripped. No backup tool. Scanner down for 6 hours. Overnight courier for replacement: $400. Lost revenue: $15,000.
| Claim | Reality | Jovvi Difference |
|---|---|---|
| “Titanium tools” (coated) | Steel core with TiN coating – ferromagnetic | Solid Ti‑6Al‑4V, ≥90% titanium |
| “Non‑magnetic stainless” | 316 SS becomes magnetic after cold working (bending, torque) | Titanium does not work‑bank to ferromagnetic state |
| “Brass is safe” | Too soft – strips, leaving ferromagnetic debris? (No, but debris is brass – soft, non‑magnetic) | Titanium hardness (38 HRC) prevents stripping |
| “Ceramic is best” | Brittle – tips chip and fall inside bore | Titanium is tough – no chipping |
Customer: “Your titanium kit is $1,800. A brass set is $400.”
Sales response: “That’s true. But over five years, that $400 brass set will cost you $7,800 in replacements, artifacts, and downtime. Our $1,800 titanium kit costs $1,800 total – zero artifacts, zero replacements, zero quench risk. Which is cheaper?”
Closing statement: “MRI scanners cost $50–200 per minute to operate. A 30‑minute artifact investigation costs $1,500–6,000. One incident pays for our entire ProKit‑2. How many artifacts did you have last year?”
Theme: Technical production details specific to open-end, box-end, combination, and torque wrenches.
Content (approx. 600 words):
| Wrench Type | Jovvi Model Prefix | Manufacturing Method | Key Challenge |
|---|---|---|---|
| Open-end | JOW- | Forged blank + CNC milling jaw opening | Preventing jaw spread under torque |
| Box-end (12-point) | JOWB- | Forged blank + broached internal hex | Concentricity of broached hole |
| Combination | JOWC- | Forged blank + CNC jaw + broached box | Maintaining alignment between ends |
| Torque (adjustable) | JOTW- | Machined beam + assembled spring/scale | Calibration stability over time |
Jovvi uses forged blanks for standard wrenches (better grain structure, higher strength) and fully machined for custom sizes (flexibility).
Forging process:
Ti bar cut to length (15–20% over final weight)
Heated to 955°C (solution treatment temperature)
Press forged (2000 ton press) into rough wrench shape
Trim flash (excess titanium recycled)
Anneal (700°C, 2 hours, air cool)
Result: Grain flow follows wrench contour – superior fatigue resistance compared to machined-only.
| Size (mm) | Jaw Opening Tolerance (Jovvi) | Industry Standard (Steel) | Why Tighter Matters |
|---|---|---|---|
| 8 mm | +0.05 / -0.00 mm | +0.10 / -0.05 mm | Prevents rounding of fastener corners |
| 10 mm | +0.05 / -0.00 mm | +0.12 / -0.05 mm | Ti has lower modulus – tighter fit compensates |
| 14 mm | +0.06 / -0.00 mm | +0.15 / -0.05 mm | Cryostat nuts require perfect fit |
| 19 mm | +0.06 / -0.00 mm | +0.18 / -0.05 mm | High torque applications |
Measurement: Laser micrometer + CMM (coordinate measuring machine) – 100% inspection.
The 12-point broached hole must be concentric with the wrench axis to avoid uneven torque distribution.
Broaching process:
Wrench blank mounted on rotary indexing fixture
Push broach (Ti‑coated carbide) cuts through in 0.05 mm passes
Final pass with sizing broach
Inspection: CMM measures 12 points – runout <0.05 mm
Common defect: Broach misalignment causes oval hole. Jovvi rejects any with runout >0.05 mm.
Each JOTW series torque wrench undergoes five-point calibration:
| Set Point (N·m) | Low Limit (N·m) | High Limit (N·m) | Test Method |
|---|---|---|---|
| 2.0 | 1.9 | 2.1 | Dead weight (0.2 kg at 1 m) |
| 4.0 | 3.8 | 4.2 | Dead weight (0.4 kg at 1 m) |
| 6.0 | 5.7 | 6.3 | Calibration stand (digital) |
| 8.0 | 7.6 | 8.4 | Calibration stand (digital) |
| 10.0 | 9.5 | 10.5 | Dead weight (1.0 kg at 1 m) |
Calibration stability test: After 1,000 cycles at 50% max torque, re-test. Drift must be < ±3% of original reading.
| Property | Jovvi Titanium Wrench | 316 Stainless Wrench |
|---|---|---|
| Magnetic susceptibility (χ) | < 5 × 10⁻⁶ | ~10⁻³ (fresh) → increases with use |
| Yield strength | 880 MPa (minimum) | 205 MPa (annealed) |
| Hardness (HRC) | 38–42 | 15–25 (annealed) → work hardens to 45+ |
| Work hardening effect | None (Ti remains non-magnetic) | Becomes weakly ferromagnetic |
| Weight (10 mm combo) | 45 g | 85 g |
Sales application: “Stainless wrenches are heavy and become magnetic. Titanium wrenches are half the weight, non-magnetic for life, and stronger.”

