L Patti Corner Bracket Manufacturer Mumbai | L Angle Steel Hardware Supplier Vasai – Aero Enterprises

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Furniture Hardware Component
Made to Order – 5–7 Days Lead Time
L Patti Corner Bracket – L Angle Sheet Metal Fabricated Hardware
Furniture Hardware Component

Technical Profile

L patti – known in the hardware trade as l patti steel, l angle bracket, l profile patti, or corner bracket – is the most widely used sheet metal component in furniture joints, industrial racks, shelving systems, stationery hardware, and structural enclosures. A correctly manufactured l patti requires three non-negotiable qualities: a 90° bend that does not spring back over service life, hole patterns punched to ±0.1mm tolerance so bolt alignment is achieved without rework, and a surface finish that survives the installation environment without peeling, chipping, or rusting. At Aero Enterprises Unit I Vasai Phata, we manufacture l patti corner brackets and l angle hardware from 1.2mm to 3.0mm IS 2062 mild steel, GI IS 277, and SS 304 using our power press stamping floor and CNC press brake with springback compensation programmed per grade and thickness. We supply furniture OEMs, stationery hardware brands, rack fabricators, and industrial equipment builders across Mumbai, Vasai, Thane, Navi Mumbai, and pan-India.

Precision stamped l patti steel and l angle brackets with ±0.1mm hole tolerance, true 90° CNC bend accuracy, and 7-tank powder coat finish. OEM batch supply from Aero Enterprises Unit I Vasai for furniture and industrial hardware manufacturers.
Market Rate
8/ Unit
Min Gauge1.2 MM
Max Gauge3 MM

Material Full Form

L PATTI CORNER BRACKET / L ANGLE BRACKET

L patti is the common Indian trade name for an L-shaped right-angle corner bracket made from sheet metal or rolled steel.

HSN Code – L Patti Corner Bracket

7326

Universal GST HSN for L Patti Corner Bracket industrial fabrication in India.

Industry Benchmark Rate

8 / UNIT

Bulk order rates based on material index and batch volume.

What Is L Patti Steel / L Angle Hardware

L patti is the common Indian trade name for an L-shaped right-angle corner bracket made from sheet metal or rolled steel. The same component is referred to as l angle, l angle bracket, l profile patti, or corner bracket depending on the industry and application. In furniture manufacturing, l patti steel brackets are the primary joining hardware for tables, chairs, racks, and shelving frames – the component that carries the shear load at the corner joint and prevents racking. In industrial fabrication, l angle brackets are used for panel reinforcement, structural gussets, machine guarding joints, cable tray supports, and enclosure stiffening. In stationery hardware, l profile patti forms the corner and edge reinforcement of wall unit frames, document holder bodies, and display rack structures. The critical performance requirement across all these applications is the same: the two arms of the l patti must form a true 90° within tight angular tolerance, the hole centres must be consistent across the batch, and the bend must not open up under repeated load cycles. At Aero's Unit I, l patti brackets are formed on our CNC press brake with springback compensation dialled in per material grade and thickness, delivering consistent 90° accuracy across high-volume production batches.

L Patti Steel Weight by Standard Size

Thickness25x25mm – 1.2mm MS l patti MM
Weight (KG)0.004–0.005 kg
Weight (LBS)0.009–0.011 lbs
Thickness40x40mm – 1.5mm MS l angle MM
Weight (KG)0.009–0.011 kg
Weight (LBS)0.020–0.024 lbs
Thickness50x50mm – 2.0mm MS l patti steel MM
Weight (KG)0.018–0.022 kg
Weight (LBS)0.040–0.049 lbs
Thickness65x65mm – 2.0mm MS l profile patti MM
Weight (KG)0.028–0.034 kg
Weight (LBS)0.062–0.075 lbs
Thickness75x75mm – 2.5mm MS l angle bracket MM
Weight (KG)0.042–0.050 kg
Weight (LBS)0.093–0.110 lbs
Thickness100x100mm – 3.0mm MS l patti hardware MM
Weight (KG)0.080–0.095 kg
Weight (LBS)0.176–0.209 lbs

Applications for L Patti Steel and L Angle Brackets

Furniture joints for tables, chairs, wardrobes, and office workstations – the primary use of l patti hardware in India
Industrial storage rack and shelving frame connections in warehouses, factories, and retail stores requiring l angle structural reinforcement
Panel-to-frame joints in electrical enclosures, switchboards, and control cabinet construction using l profile patti stiffeners
Machine guarding and safety barrier structural connections in factory automation where l angle brackets carry guard panel loads
Cable tray and cable management mounting brackets requiring l patti steel for conduit saddle and tray support
Wall-mounted shelving and hanging hardware for office, retail, and display applications using l patti hardware fittings
Stationery product hardware including document holder frames, wall unit corner reinforcements, and rack structural connectors
Structural gusset brackets for lightweight steel frame construction using l angle sections at column-to-beam connections
Agricultural and outdoor equipment frame joints requiring GI-grade l patti corrosion protection
Custom OEM hardware for appliance, consumer product, and lighting assembly manufacturers needing consistent l profile patti batches

Available Production Grades

Manufacturing Grade Variations in Stock

Inquire Grade Capability
1

MS IS 2062 E250A – Standard L Patti Steel

Most common grade for l patti hardware in furniture, racks, and indoor industrial applications. Economical, strong for load-bearing l angle joints, and takes powder coat and zinc plate cleanly after 7-tank pretreatment. Available in 1.2mm to 3.0mm thickness. Correct for 95% of l patti orders in Mumbai furniture and industrial hardware market.

2

GI IS 277 120 GSM – Outdoor L Angle

For outdoor, agricultural, and moisture-exposed l patti and l angle bracket applications where bare-metal corrosion resistance is needed without dependency on paint. The 120 GSM zinc layer provides 15–20 years outdoor protection independent of topcoat. Used for l profile patti in solar frame corner joints, outdoor rack structures, and coastal Maharashtra industrial hardware.

3

SS 304 IS 6911 – Stainless L Profile Patti

For stainless l patti hardware in commercial kitchen fixtures, hygiene-critical industrial frames, bathroom fittings, and export-quality furniture requiring a corrosion-free finish surface. More expensive but correct specification for any l angle application where the bracket is visible, wet, or subject to food-grade or export-standard surface requirements.

Standard L Patti vs Custom L Angle – What You Should Order

Standard l patti steel sizes from 25mm to 100mm arm length are the fastest to produce because tooling is already available on Aero's press floor. If your furniture or rack design uses industry-standard hole spacing and equal-arm l angle geometry, you will get faster delivery and lower per-piece pricing on standard configurations. Custom l profile patti and asymmetric l angle brackets with non-standard arm lengths, offset hole patterns, integrated gusset lips, countersunk holes, or deep notches at the bend require new die setup, adding 3–5 days to the first batch lead time but producing an l patti that fits your product exactly rather than a standard bracket that approximately fits. For OEM furniture and hardware manufacturers running repeat production programs of 1000 pieces per month or more, custom l patti tooling is amortised within 2–3 batches and eliminates the field rework cost caused by misaligned holes in off-the-shelf l angle hardware.

Get Material Grade Advice

L Patti Steel Weight Reference

Approximate weight per piece for standard MS l patti steel brackets: 25x25mm x 1.2mm = 4–5g, 40x40mm x 1.5mm = 9–11g, 50x50mm x 2.0mm = 18–22g, 65x65mm x 2.0mm = 28–34g, 75x75mm x 2.5mm = 42–50g, 100x100mm x 3.0mm = 80–95g. GI l angle brackets are approximately 5–8% heavier than equivalent MS. SS 304 l profile patti brackets are approximately 2–3% heavier than MS equivalents. For bulk order shipping weight calculation, multiply per-piece weight by order quantity and add 8% for packaging and hardware.

HSN Code and GST for L Patti Hardware

Fabricated sheet metal l patti steel and l angle corner brackets fall under HSN Code 7326 (other articles of iron or steel, fabricated and stamped). GST rate is 18%. This applies to MS, GI, and SS 304 l profile patti and l angle brackets as finished fabricated components. Some furniture hardware buyers classify l patti hardware under HSN 8302 (base metal mountings and fittings for furniture, doors, and windows) – confirm the correct classification with your accounts team based on your procurement category and final product use. All Aero Enterprises invoices include correct HSN classification and GSTIN 27AGCPK5633K1Z9.

Material Integrity

base material
MS IS 2062 / GI IS 277 / SS 304
product names
L patti steel, l patti hardware, l angle bracket, l profile patti, corner bracket
thickness range mm
1.2 – 3.0
standard arm lengths
25, 40, 50, 65, 75, 100mm
bend angle
90° ±0.5°
hole tolerance
±0.1mm
surface finish
Powder coat / Zinc plate
coating dft
60–80 microns
adhesion
Class 5B cross-hatch
lead time
5–7 days standard, 8–12 days custom tooling

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Aero Enterprises operates an integrated sheet metal production system across two specialised units in Vasai, Maharashtra.

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Aero Enterprises delivers mill-certified primary and secondary steel from Unit II Dhumal Nagar across the following zones. Pan-India logistics available on request.

Vasai EastVasai WestVirarNalasoparaMira RoadBhayandarThaneNavi MumbaiAndheriBhiwandiPalgharTarapur MIDCPuneNashikPan-India Logistics for Furniture and Hardware OEMs
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Technical Q&A

Verified Procurement Intelligence

What is L patti and what is the difference between l patti steel, l profile patti, and l angle?
L patti, l profile patti, l angle, and l angle bracket all refer to the same L-shaped right-angle bracket used to connect and reinforce two structural members at a 90° joint. The different names reflect different trade contexts: l patti is the common hardware and furniture industry name in India; l angle or l angle bracket is the engineering and industrial fabrication term; l profile patti is used in the decorative profile and stainless steel hardware segment. At Aero Enterprises, we manufacture all of these as stamped and CNC-bent sheet metal components in MS IS 2062, GI IS 277, and SS 304 in arm lengths from 25mm to 100mm.
What standard l patti steel sizes do you manufacture?
Standard l patti hardware sizes available from Aero Enterprises Unit I Vasai are 25x25mm, 40x40mm, 50x50mm, 65x65mm, 75x75mm, and 100x100mm in equal-arm configuration, with thickness 1.2mm to 3.0mm depending on grade and load requirement. Asymmetric l angle brackets with unequal arm lengths (e.g. 50x75mm, 40x65mm) and custom l profile patti with non-standard hole patterns, countersink, or integrated gusset tabs are available from new tooling with 8–12 day first batch lead time. Share your drawing for a quote.
What is the correct l patti thickness for furniture joints?
For standard furniture joints on tables, chairs, and racks, 1.5mm MS l patti steel at 40x40mm or 50x50mm is the correct specification for most residential and commercial furniture. For heavy-duty industrial furniture, workshop benches, and steel rack structures carrying above 80kg per shelf, 2.0mm MS l angle at 50x50mm or 65x65mm is more appropriate. For lightweight stationery hardware and wall unit frames, 1.2mm CR l profile patti at 25x25mm or 40x40mm provides adequate stiffness while keeping component weight and cost low.
What surface finish options are available for l patti hardware?
Electrostatic powder coat over 7-tank zinc phosphate pretreatment is the standard finish for furniture and indoor industrial l patti steel brackets, applied at 60–80 microns DFT to Class 5B adhesion. Available colours: black RAL 9005, grey RAL 7035, white RAL 9003, and zinc silver. Custom RAL colours available at minimum 500 pieces per colour. Zinc electroplate is available for l patti hardware requiring a thinner metallic finish. GI IS 277 base material is used for l angle brackets in outdoor and agricultural applications needing zinc-layer protection without paint.
Can l patti steel be used for outdoor applications?
MS IS 2062 l patti with powder coat is adequate for sheltered outdoor applications in low-humidity non-coastal environments. For fully exposed outdoor l angle brackets – outdoor rack structures, solar frame corner joints, agricultural equipment, and coastal Maharashtra installations – GI IS 277 l profile patti is the correct specification. The zinc layer in GI at 120 GSM provides corrosion protection independent of paint for approximately 15–20 years in outdoor environments. Specifying MS powder-coated l patti for fully exposed coastal outdoor applications is a frequent error in the Mumbai hardware market that results in premature rust and bracket failure.
Can you supply l patti hardware with countersunk holes?
Yes. Countersunk holes for flat-head screws are available in M4, M5, and M6 on both arms of the l patti steel bracket. Standard countersink angle is 90°. Countersunk l patti hardware is commonly used in furniture applications where the screw head must sit flush with the bracket surface to avoid contact damage to the furniture panel or upholstery. Specify countersink requirement in your drawing at the time of enquiry as it affects die design and per-piece pricing.
What is the minimum order quantity for l patti corner brackets?
For standard l patti steel sizes using existing tooling, minimum order is 200 pieces. For custom l angle sizes and l profile patti with new die setup, minimum first batch is 500 pieces to amortise tooling cost. Repeat orders from 200 pieces on custom sizes once tooling is in place. For stationery hardware and furniture OEMs requiring multiple l patti hardware sizes in a single order, a combined minimum of 500 pieces across all sizes qualifies for tooling amortisation on custom sizes. Contact +91 8459121717 with size, thickness, grade, finish, and quantity for an exact quote.
Do you supply l profile patti in stainless steel for kitchen and hygiene applications?
Yes. SS 304 l profile patti and l angle brackets are available for commercial kitchen fixtures, food processing equipment frames, hospital furniture, bathroom hardware, and export-quality furniture requiring a corrosion-free visible surface. SS 304 l patti is supplied with a natural 2B finish or brushed finish depending on specification. SS 304 l patti hardware is priced approximately 3–4x above equivalent MS l patti steel due to base material cost. Specify SS grade only where the application genuinely requires it – for concealed joints in food equipment or kitchen rack structures that are painted, MS IS 2062 l angle bracket is the more cost-effective correct specification.
How does Aero Enterprises ensure 90° accuracy in l patti steel manufacturing?
At Aero Unit I, l patti corner brackets are formed on a CNC press brake with springback compensation programmed per material grade and thickness. Springback is the elastic recovery of sheet metal after the press stroke that causes the bend angle to open slightly from the formed position. Without compensation, a l patti steel bracket formed to 90° in the die will open to 91–93° after the press releases, causing misalignment at the joint. Aero's CNC press brake overbends by the calculated springback angle per grade so the final released angle is 90° ±0.5°. First-article inspection is carried out on every new die setup and every repeat batch before the production run is released.
Can Aero supply l angle brackets with notching at the inside radius?
Yes. Notch relief cuts at the inside bend radius of the l angle bracket are available for applications where the l patti must fit tightly against a corner feature of the mating component without the bend radius creating a gap. This is common in panel-to-frame l profile patti joints in electrical enclosures and furniture carcasses. Specify the notch requirement on your drawing – notch width, depth, and position from the arm end – and we include it in the die design at no additional per-piece cost for batch quantities above 500 pieces.

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Procure L Patti Corner Bracket – L Angle Sheet Metal Fabricated Hardware

Access mill-direct rates for L Patti Corner Bracket – L Angle Sheet Metal Fabricated Hardware from Unit II Dhumal Nagar. Bulk tonnage discounts and fabrication at Unit I Vasai Phata available under one commercial agreement.

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