list of hardwares

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LAKSHMI PRECISION SCREWS LTD

Founded in March, 1972, LPS is one

of the leading manufacturers and

suppliers of High Tensile Fasteners such

as Bolts, Screws, Nuts and similar parts

for Automobile and other Industr ial

Sectors. With two state-of -the-ar t

plants duly suppor ted by ancillary,

team work of professionals qualified

in the fields of design, process planning

and manufacturing, LPS has a capacity

to produce over 10,000 MT of precision

engineered fasteners.

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LPS offers over 6000 kind offasteners with diameter ranging from3mm to 24 mm and in grades of 8.8,10.9, 12.9, 45 H,R,S, T, V, Grade 5 &Grade 8 etc. for almost all productcategory. High-grade alloy steel goesinto LPS high tensile precisionfasteners for superior fatigueresistance and closer tolerancelevels. Besides cold forging,extruding, thread rolling,heat treating,LPS also has capabilities ofsophisticated physical, mechanicaland chemica l tes t ing .Automatic

microprocessor, controlled plating &phosphating, continuous atmospherecontrolled furnaces, up-graded cold-forging technology and modern drivesystems with CAD/CAM facilities-allgo in producing world class fastenersunder one roof. All manufacturingfacilities are supported with an onlinequality assurance system employingstatist ical process control. Eachfastener lot is marked with code numberfor traceability of its origin to the steelmil l. LPS fasteners are in totalcompliance with various International

Standards such as ANSI, BSI, DIN,ISO, J IS, e tc . , bes ides A2LAaccered i ted laborator y. FromR a i l way s . . . h e av y m a c h i n e r y. . .automotives to precision machines,LPS enjoys the confidence of globalmarkets. LPS has grown steadily overthe past 26 years on the strength ofi ts in-house t echno log i ca ldeve lopmen ts and innova t ionscoupled with its reputation as thecompany with strong commitmentt o c u s t o m e r s a t i s f a c t o n a n dqual i ty improvement.

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ANSI B.18.3 (BS 2470)

ANSI B.18.3 (BS 2470)

ANSI B.18.3 (BS 2470)

ANSI B.18.3 (BS 2470)

ANSI B.18.3 (BS 2470)

ANSI B.18.3 (BS 2470)

HEXAGON SOCKETSCREW KEY1/16" TO 3/4"SHORT & LONG SERIES

HEXAGON SOCKET HEADCAP SCREWS# 8 TO 1-1/2" DIA1/4" TO 14" LENGTH

HEXAGON SOCKET SETSEREWS WITH FLAT POINT# 8" TO 1"3/16" TO 4"

HEXAGON SOCKET SETSEREWS WITH CONE POINT# 8 TO 1"3/16" TO 4"

HEXAGON SOCKET SETSEREWS WITH DOG POINT# 8 TO 1"3/16" TO 4"

HEXAGON SOCKET SETSEREWS WITH CUP POINT# 8 TO 1"3/16" TO 4"

HRC45

MIN

- -

39TO45

HRC

A 2A 4

-

45TO53

HRC

A 2 -

45TO53

HRC

A 2 -

45TO53

HRC

A 2 -

45TO53

HRC

A 2 -

P R O D U C T R A N G E

PRODUCT DESCRIPTION STEEL STAINLESSSTEEL BRASS

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ANSI B.18.3 (BS 2470)

ANSI B 18.3 (BS 2470)

ANSI B 18.2.1(BS 1083 & BS 1768)

ANSI B 18.6.2

ANSI B 18.2.2

HEXAGON SOCKET COUNTERSUNK HEAD SCREWS# 10 TO 1-1/2" DIA1/4" TO 14" LENGTH

HEXAGON SOCKET BUTTONHEAD SCREWS# 10 TO 5/8" DIA1/4" TO 4" LENGTH

HEX CAP SCREWS# 10(3/16") TO 1-1/2" DIA1/4" TO 4" LENGTH

SQUARE HEAD SET SCREW1/4" TO 1" DIA1/4" TO 4" LENGTH

FLAT COUNTER SUNKHEAD ELEVATOR BOLTS1/4" TO 3/8" DIA3/4" TO 5" LENGTH

38TO44

HRC

38TO44

HRC

GR 5GR 8

RSTV

A 2

-

A 2A 4

A 2

A 2A 4

- -

-

-

-

-

-



ANSI B 18.5

HEXAGON CASTLE NUTS1/4" TO 1"

✓A 2A 4

-

6

P RO D U C T R A N G E


SET COLLARSDIA (d) 1/4" TO 4"

A 2A 4

CUSTOMISED

-

✓

✓

✓

✓

✓

DIN 444 EYE BOLTSM5X25 TO M30X300

5.8 A 2A 4

-

PENTAGON HEAD SCREWSDIA 3/8" TO 1/2"3/4" TO 5" LENGTH - A 2

A 4

DIN 464 - 1986

DIN 466 - 1986DIN 466 - 1956

KNURLED THUMB SCREWSM3X4 TO M10X60

KNURLED NUTS WITHCOLLARM3 TO M10

5.8

A 2A 4

A 2A 4

5.8

DIN 464 - 1956

DIN 467KNURLED NUTSM3 TO M10

A 2A 4

5.8

CUSTOMISED

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P RO D U C T R A N G E


A 2

A 2

DIN 478

DIN 479

SQUARE HEAD BOLT WITHCOLLARM5X8 TO M24 X 200

SQUARE HEAD BOLT WITHHALF DOG POINTM5X8 TO M24 X 200

8.810.9

8.810.9

-

-

A 2A 4

-

DIN 561

SLOTTED ROUND NUTSM3 TO M16

HEXAGON SET SCREW WITH SMALLHEXAGON AND FULL DOG POINTM6X10 TO M36X250

5.8

22H33H(8.8)

(10..9)

A 2

A 2

DIN 546

-

-

DIN 480SQUARE HEAD BOLT WITHCOLLAR AND OVAL HALF DOG POINTM5X16 TO M24 X 150

8.810.912.9

FORM - A

FORM - B

FORM - A

FORM - B

DIN 564HEXAGON SET SCREW WITH SMALLHEXAGON ANDCONED HALF DOG POINTM6X10 TO M36X250

22H33H(8.8)

(10..9)

A 2 -

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DIN 609

DIN 610

8.810.912.9

A 2 -

8.810.912.9

A 2 -

HEXAGON FIT BOLTS WITH LONGTHREADED DOG POINTM8X30 TO M30X300

HEXAGON FIT BOLTS WITH SHORTTHREADED DOGPOINTM8X30 TO M30X300

SHAFT COLLARSDIA(d) 6MM TO 120MM1/4" TO 4"

✓ A 2A 4

DIN 705/BS 4185

-

DIN 653

A 2A 4

-

KNURLED THIN THUMBSCREWSM4X6 TO M10X50

5.8

DIN 835/938/939 STUDM6 TO M2420 TO 200 LENGTH A 2

A 48.8

10.9-

DIN 911

HRC45

MIN.- -

HEXAGON SOCKET SCREWKEY1.5 TO 19.0 mm (SHORT &LONG SERIES)

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DIN 914 (ISO 4027)

DIN 915 (ISO 4028)

DIN 916 (ISO 4028)

HEXAGON SOCKET SETSCREWS WITH FIAT POINTM3X4 TO M16X60

HEXAGON SOCKET SETSCREWS WITH CONE POINTM3X6 TO M16X60

HEXAGON SOCKET SETSCREWS WITH DOG POINTM3X6 TO M16X60

33H45H

33H45H

33H45H

A 2

A 2 -

A 2

DIN 913 (ISO 4026)

-

33H45H

A 2 -

HEXAGON SOCKET SETSCREWS WITH CUP POINTM3X4 TO M16X60

-

DIN 912 (ISO 4762)

A 2A 4

-

HEXAGON SOCKET HEADCAP SCREWSM3X5 TO M42X300 8.8

12.9



DIN 921

5.8 A 2 -

SLOTTED PAN HEADSCREWS WITH LARGE ENDM3X4 TO M10X25

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DIN 933 (ISO 4017)DIN 961 (ISO 8676)

DIN 934 (ISO 4032)

DIN 935 & DIN 937

HEXAGON HEAD BOLTSM3X20 TO M42X300

HEXAGON HEAD SCREWSM3X6 TO M42X200

HEXAGON NUTSM6 TO N12

8.810.912.9

8.810.912.9

-

A 2A 4

A 2A 4 -

A 2A 4

DIN 931 (ISO 4014)DIN 960 (ISO 8765)

��✓

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10A 2 ��✓

HEXAGON CASTLE NUTSM6 TO M30

-

DIN 923

A 2 -

SLOTTED PEN HEADSCREWS WITH SHOULDERM3X3 TO M10X25 5.8



DIN 6330

A 2A 4

-

HEXAGON NUT WITHHEIGHT OF 1.5 dM8 TO M24

-

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DIN 7991

ISO 2341

ISO 7380

HIGH STRENGTH HEXAGONHEAD BOLTSM12 TO M3030 TO 350 LENGTH

HEXAGON SOCKET COUNTER-SUNKHEAD SCREWSM3X6 TO M24X220

CLEVIS PIN WITH HEAD.Ø 5 TO Ø 208.0 TO 150 LENGTH

8.810.9

8.810.912.9

-

- -

A 2

DIN 6914

STEEL -

HEXAGON SOCKET BUTTONHEAD SCREWSM3X6 TO M16X80

-

DIN 6921

- -

HEXAGON FLANGE BOLTM5 TO M2010 TO 150 LENGTH

8.810.912.9

8.810.912.9

(FORM B)-

-



A 2A 4

--

DIN 6331HEXAGON NUT WITHCOLLARM8 TO M24

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HARDNESS LOWER YIELD 0.2 LIMIT STRESS ELONGATIONPROPERTY TENSILE VICKERS BRINELL STRESS MIN. Rp 0.2 UNDER AFTER CLASS STRENGTH OR Rel PROOFING FRACTURE

MINF >98 N ROCK WELL N/mm2 N/mm2 LOAD SP A IN %

5. 8 520 160-250 152~238 420 380 10BHN

6.8 600 190-250 181~238 480 440 8BHN

d <16mm8.8 800 250-320 22~32 - 640 580 12

HRC

d >16mm8.8 830 255~335 23~34 - 660 600 12

HRC

10.9 1040 320~380 32~39 - 940 830 9HRC

12.9 1220 385~435 39~44 - 1100 970 8HRC

PROOF STRESS N/mm2 VICKERS HARDNESS HV

PROPERTY M6 M8 M12 M16 M6 M8 M12 M16CLASS M10 M14 TO M10 M14 TO

M16 M39 M16 M39

6 670 680 700 720 150~302* 150~302* 150~302* 170~302*

8 855 870 880 920 200~302* 200~302* 200~302* 233~302

10 1040 1040 1050 1060 272~353 272~353 272~353 2723~353

12 1140 1140 1170 - 295~353 295~353 295~353 -

GRADE & CHEMICAL COMPOSITION % MAX TENSILE ELDNGATIONPROPERTY (OR AS PER RANGE) STRENGTH LIMIT 0.2%

Rp 0.2Rm

C Si Mn S Cr Mo Ni Cu N/mm2 N/mm2

A2-70 0.1 1.0 2.0 0.03 15~20 - 8~10 1-4 700 450

A4-70 0.08 1.0 2.0 0.045 16~18 2~3 10~15 1 700 450

NOTE:- * NOT TO BE HARDENED

MECHANICAL PROPERTIES OF NUTS WITH COARSE (STANDARD) THREADSACCORDING TO ISO 898-2

MECHANICAL PROPERTIES OF BOLTS, SCREWS AND STUDSACCORDING TO ISO 898-1

CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES FOR FASTENERSMADE FROM AUSTENITIC STAINLESS STEEL (ACCORDING TO ISO 3506)

CLASS

Rm,Min N/mm2

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SN INSTRUMENT/ MAKE RANGEEQUIPMENT

A) CALIBRATION1. Electronic Comparator Baker Pune As required2. Wear Checking Plug (WCP) HIP -do- M3-24, 1/8-1”

Truthread -do- BSW/BSF/UNC/UNFLimit -do-GaugesSize -do-Control

3. Slip Gauge Mitutoyo Japan 0 Grade4. Slip Gauge Calibr Russia 1 Grade5. Dial Gauge Calibrator Mikrotech Pune 0-25 mm6. Torque Range Calibrator Mikrotech Pune 50 kgf.7. Floating Carriage Dia Aditya Pune

Measuring MachineB) PROCESS CONTROL Germany1. Dial Bore Gauge Mitutoyo Japan 4-7mm, 7-10mm

10-18mm, 18-35mm,35-60mm, 50-100mm,

2. Roundness Tester Mitutoyo Japan Dia OD-220, Id-100, Ht. 2803. Surface Roughness Tester Mitutoyo Japan 0-8, 8-80, 80-600 Micrometer4. Contour Laser Scanner Dr.Henrich Germany

SchneiderGmbH

5. Try-roll Comparator 3 Pt. Universal US As required6. Try-roll Comparator 2 Pt. Universal US As required7. Countracer Mitutoyo Japan X-100mm, Z-400mm8. On-line Computerised SPC Hertzler USA

System SystemC) INSPECTION1. Digital Pitch Micrometer Asahi Japan 0-25mm, 25-50mm2. Digital Indicator Mitutoyo Japan 0-1mm, 0-10mm3. Concentricity/Runout Gauge Kordt Germany M8-M224. Length Checking Gauge Universal USA As requiredD) TESTING1. Universal Tensile Testing Machine UTM 60 Blue Star 60 Tons2. Coating Thickness Tester Fischer Germany 0-1 mm3. Automatic Emission Shimadzu Japan Elements of Alloy

Spectrometer Steel, Tool Steel &Stainless Steel etc.

4. Rockwell Hardness Tester Mitutoyo Japan Scale: HRA, HRB, HRC,HRD Conversion VickerHardness

5. Micro Hardness Tester Buehler USA 10-1000 gms.6. Microscope Unitron USA7. Salt Spray Chamber Weiss Germany8. Magnetic Crack Detector Magnafield

QUALITY CONTROL/INSPECTION FACILITIES

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State-of-the-artmanufacturing

and testing facilities

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Hissar Road, Rohtak-124001, Haryana (India)Tel :. 0091-1262- 48981(D),48790,48288/89

Fax : 91-1262-48948, 48307,e-mail: [email protected]

LAKSHMI PRECISION SCREWS LTD.

SALES OFFICES:MumbaiMumbaiMumbaiMumbaiMumbai ::::: 153-A, Mittal Tower, Nariman Point Bombay - 400 021 (India)

Phone : +91-22-2821918/2821881/2843864 Fax : +91-22-2834492KKKKKolkattaolkattaolkattaolkattaolkatta : 8, Canning Street, 3rd floor, Room No.303, Calcutta-700 001.

Phone :+91-33-2210754 Fax : +91-33-4739087New DelhiNew DelhiNew DelhiNew DelhiNew Delhi : 146, New Cycle Market, Jhandewalan Extn.New Delhi - 110 055 (India)

Phone : +91-11-3527642, 3523347 Fax : +91-11-7532138BangalorBangalorBangalorBangalorBangaloreeeee : 305A, Mittal Tower, 3rd floor, MG Road, Bangalore - 560 001 (India)

Phone : +91-80-5588587 Fax : +91-80-5597232

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