Why can two quotations for the same Tool Box Lid differ by five yuan?

Answer: Machined instead of stamped hinges, EPDM instead of reclaimed rubber, two coats instead of one move five to seven yuan.

Can the order quantity go below 300 pieces?

Answer: Yes, but the price passes 55 yuan and tooling is excluded; hand-forming leaves flange radii uneven.

Who pays for tooling, and is it refundable?

Answer: Either the buyer pays and owns the tool, or the supplier carries it against a higher unit price.

Does the 25-day lead time include finishing?

Answer: Yes, from blanking to packed carton, with coating taking 5 days. Outsourced finishing adds 3 to 5.

The quotation says nothing about packing. What now?

Answer: Assume bulk on a pallet: one PE bag per lid, five-layer carton, 20 per carton, 40 per pallet.

Tool Box Lid Procurement: Quotations, MOQ and Lead Time

Quick answer: Buying a Tool Box Lid is not about bargaining, it is about splitting the unit price into metal, hardware, finishing, and labor plus packing. Volume from 300 to 5,000 pieces cuts cost mainly through tooling amortization, and four dated milestones hold a delivery schedule.

What a Tool Box Lid Quotation Should Show
Costing the Metal, Hinges, Gasket and Labor
Order Quantity, Tooling Amortization and the Price Step
From Sample to Mass Production: the Date Chain
What to Send With an RFQ, and What Adds Cost
FAQ

1. What a Tool Box Lid Quotation Should Show

A reply of "42 yuan each" gives nothing to compare. Two factories quoting the same drawing rarely differ on steel: one stamps its hinges, the other machines them.

A comparable Tool Box Lid quotation carries four lines with a stated basis, and keeps tooling and packing on separate lines.

Cost block	Typical share	Basis
Steel (1.0 mm cold rolled)	38%–46%	Net weight plus 12% scrap
Hardware (hinges, catches, lock)	12%–18%	Per piece, hinges from 1.8 yuan
Finishing (phosphating, powder)	9%–14%	Per square meter developed
Labor and packing	20%–28%	Welding, assembly, PE bag, carton

2. Costing the Metal, Hinges, Gasket and Labor

Steel is the only block a buyer can check with a scale. A 1.0 mm SPCC lid blanking at 520 by 310 mm weighs 1.28 kg net; with 12% scrap the charge is 1.43 kg, about 7.4 yuan at 5,200 yuan per tonne.

Tool Box Lid: five grey divided trays on a pale table, an open case at right showing its empty cavity and two latches, sockets and wrenches laid inside

Hardware hides the widest spread: a stamped catch costs 1.8 yuan, a machined stainless-pin catch 3.2, die-cast zinc 4.6, with failure loads of 800 to 1,800 N. Gasket at 8 by 6 mm runs 2.4 yuan per meter, 1.35 m to a lid.

Labor converts to minutes: four spot welds, two hinges and a latch check take 3.5 minutes, or 1.87 yuan at 32 yuan per hour.

3. Order Quantity, Tooling Amortization and the Price Step

The 10.9 yuan gap between 300 and 5,000 pieces holds under one yuan of steel; the rest is tooling and press changes. A lid set pairs a blanking die with a forming die at about 38,000 yuan.

Order quantity	Unit price	Tooling treatment	Lead time
300 pcs	46.5 yuan	Fully absorbed	20 days
1,000 pcs	41.2 yuan	Over a 3,000-piece basis	22 days
3,000 pcs	37.8 yuan	Over a 5,000-piece basis	25 days
5,000 pcs	35.6 yuan	Fully amortized	28 days

That 38,000 yuan is 7.6 yuan per lid across 5,000 pieces, but 19 yuan on 2,000, so suppliers load the difference into the first order and refund about 1.5 yuan later. Specify the refund basis and who owns the die.

4. From Sample to Mass Production: the Date Chain

First samples arrive within seven days, three pieces, with the flat pattern and measured thickness. Any change costs eight more days of tool modification and re-sampling.

Tool Box Lid: open blue case standing on a long workshop table, ribbed inner lid and black foam inside, drill and batteries beside it, shelving and bins behind

Production takes 25 days: blanking 6, welding 4, coating 5, assembly 6, inspection 4. Sea freight is 32 days to Rotterdam and 18 to Los Angeles, so sample to warehouse is 69 days for Europe and 55 for North America.

Four dates belong in the contract: sample delivery, drawing freeze, production start and vessel departure, backed by a 0.3% weekly penalty capped at 10%.

5. What to Send With an RFQ, and What Adds Cost

Send the whole package at once: a 2D drawing with bend lines, thickness and tolerance (1.0 ±0.05 mm), grade, color reference, annual volume, packing and destination port. Bend lines let a supplier calculate the flat pattern.

Optional item	Added cost	Trigger
Silk-screen logo	0.35 yuan per lid	From 500 pcs, vector file
Moulded EVA insert	4.2 yuan per lid	Cutting die, 800 yuan once
Stainless catch	6.8 yuan per lid	Salt spray above 240 hours
Salt spray to 240 hours	1.2 yuan per lid	Extra pretreatment

Quotations hold 30 days with steel indexed to coil; a quarterly locked price suits most suppliers. Unspecified packing defaults to bulk on a pallet.

Conclusion

A Tool Box Lid price is a table you audit: steel on a scale, hardware per piece, finishing per square meter, labor per minute. Volume decides tooling spread, milestones decide shelf dates, and writing both down is what closes a Tool Box Lid purchase.

This article discusses only the container (case body) side of specifications and design intent, and does not cover any handling, loading or use of the contents.