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
Product Details
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
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Product Description
Three Scenarios That Keep MRI Managers Awake

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.

Why “Non‑Magnetic” Claims Are Dangerous
ClaimRealityJovvi Difference
“Titanium tools” (coated)Steel core with TiN coating – ferromagneticSolid 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 boreTitanium is tough – no chipping
Jovvi Sales Response to Price Objection

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?”


Version 4 – Factory: Wrench Manufacturing Deep Dive

Theme: Technical production details specific to open-end, box-end, combination, and torque wrenches.
Content (approx. 600 words):

Wrench Types & Manufacturing Methods
Wrench TypeJovvi Model PrefixManufacturing MethodKey Challenge
Open-endJOW-Forged blank + CNC milling jaw openingPreventing jaw spread under torque
Box-end (12-point)JOWB-Forged blank + broached internal hexConcentricity of broached hole
CombinationJOWC-Forged blank + CNC jaw + broached boxMaintaining alignment between ends
Torque (adjustable)JOTW-Machined beam + assembled spring/scaleCalibration stability over time
Forging vs. Fully Machined

Jovvi uses forged blanks for standard wrenches (better grain structure, higher strength) and fully machined for custom sizes (flexibility).
Forging process:

  1. Ti bar cut to length (15–20% over final weight)

  2. Heated to 955°C (solution treatment temperature)

  3. Press forged (2000 ton press) into rough wrench shape

  4. Trim flash (excess titanium recycled)

  5. Anneal (700°C, 2 hours, air cool)

Result: Grain flow follows wrench contour – superior fatigue resistance compared to machined-only.

Jaw Opening Precision (Open-End Wrench)
Size (mm)Jaw Opening Tolerance (Jovvi)Industry Standard (Steel)Why Tighter Matters
8 mm+0.05 / -0.00 mm+0.10 / -0.05 mmPrevents rounding of fastener corners
10 mm+0.05 / -0.00 mm+0.12 / -0.05 mmTi has lower modulus – tighter fit compensates
14 mm+0.06 / -0.00 mm+0.15 / -0.05 mmCryostat nuts require perfect fit
19 mm+0.06 / -0.00 mm+0.18 / -0.05 mmHigh torque applications

Measurement: Laser micrometer + CMM (coordinate measuring machine) – 100% inspection.

Box-End Wrench (12-Point) Broaching

The 12-point broached hole must be concentric with the wrench axis to avoid uneven torque distribution.
Broaching process:

  1. Wrench blank mounted on rotary indexing fixture

  2. Push broach (Ti‑coated carbide) cuts through in 0.05 mm passes

  3. Final pass with sizing broach

  4. Inspection: CMM measures 12 points – runout <0.05 mm

Common defect: Broach misalignment causes oval hole. Jovvi rejects any with runout >0.05 mm.

Torque Wrench Calibration

Each JOTW series torque wrench undergoes five-point calibration:

Set Point (N·m)Low Limit (N·m)High Limit (N·m)Test Method
2.01.92.1Dead weight (0.2 kg at 1 m)
4.03.84.2Dead weight (0.4 kg at 1 m)
6.05.76.3Calibration stand (digital)
8.07.68.4Calibration stand (digital)
10.09.510.5Dead 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.

Torque vs. Stainless Steel Wrenches
PropertyJovvi Titanium Wrench316 Stainless Wrench
Magnetic susceptibility (χ)< 5 × 10⁻⁶~10⁻³ (fresh) → increases with use
Yield strength880 MPa (minimum)205 MPa (annealed)
Hardness (HRC)38–4215–25 (annealed) → work hardens to 45+
Work hardening effectNone (Ti remains non-magnetic)Becomes weakly ferromagnetic
Weight (10 mm combo)45 g85 g

Sales application: “Stainless wrenches are heavy and become magnetic. Titanium wrenches are half the weight, non-magnetic for life, and stronger.”