Soft Steel Mandrels, Hard Steel Mandrels, Series NA / NG / NBB Hard Steel Mandrels, NC Hard Steel Mandrels, Mumbai, India
 
• Auto Gauging Honing Machine
• Auto Stroking Timer Sizing    Honing Machine
• Manual Honing Machine
• Through Feed Super Finishing    Machine
• Manual OD Lapping Machine
• Manual OD Lapping Machine
    with VFD
• Honing Tools For Indian As Well    As Imported Machines
 
 
 

Preci - Tech Hard Steel Mandrels

Diameter Range 6.22-9.27 mm (.245"-.365")

Diameter mm

Ins Mandrel Adaptor Stone Types

SHORT SERIES NA, NG

MANDREL LENGTH A=80 mm (3.15") STONE LENGTH B = 31.7mm (1.25")

Preci Tech Hard Steel Mandrels
 
6.22-6.60 .245-.260 HS245 / 3NA MA 156/2

NA

6.60-6.99 .260-.275 HS260 / 3NA
6.99-7.37 .275-.290 HS275 / 3NA
7.37-7.75 .290-.305 HS290 / 3NA A-6/7
7.75-8.13 .305-.320 HS305 / 3NG

NG

7.90-8.40   HS310 / 3NG MA 156/3
8.13-8.51 .320-.335 HS320 / 3NG  
8.51-8.89 .335-.350 HS335 / 3NG
8.89-9.27 .350-.365 HS350 / 3NG A-7/9
 
Diameter Range 6.22-9.27 mm (.245"-.365")
Long Series Nee
MANDREL LENGTH A=118 mm (4.64") STONE LENGTH B = 57.1 mm (2.25")
Diameter Range 6.22-9.27 mm (.245-.365")
 
Preci-Tech Hard Steel Mandrels
 
6.22-6..60 .245-.260 HS245 / 4NEE     
6.60-6.99 .260-.275 HS260 / 4NEE   NEE
6.99-7.37 .275-.290 HS275 / 4NEE MA 156/42  
7.37-7.75 .290-.305 HS290 / 4NEE A-6/7  
8.13-8.51 .320-.335 HS335 / 4NEE    
8.51-8.89 .335-.350 HS335 / 4NEE MA 156/45  
8.89/9.27 .350-.365 HS350 / 4NEE A-7/9  
 
Diameter Range 9.22-12.45 mm (.365"-.490")
Short Series NB
MANDREL LENGTH A=92 mm (3.66") STONE LENGTH B = 44.4 mm (1.75")
 
9.27-9.65 .365-.380 HS365 / 3NB MA 156/A
A-9/12
NB
9.65-10.03 .380-.395 HS380 / 3NB
9.90-10.50   HS390 / 3NB
9.90-10.50   HS390 / 3NB
10.03-10.41 .395-.410 HS395 / 3NB
10.41-10.80 .410-.425 HS410 / 3NB
10.80-11.18 .425-.440 HS425 / 3NB
11.18-11.68 .440-.460 HS440 / 3NB
11.68-12.45 .460-.490 HS460 / 3NB
 
Diameter Range 12.45-15.62 mm (.490"-.615")

Diameter mm

Ins Mandrel Hard Soft Adaptor Stone Types
Long Series NC
MANDREL LENGTH A=160 mm (6.30") STONE LENGTH B = 85.7 mm (3.375")
 
12.45-13.21 .490-.520 HS490 / 6NC    
13.21-13.97 .520-.550 HS520 / 6NC MA 156/29 NC
13.97-14.73 .550-.580 HS550 / 6NC    
14.73-15.62 .580-.615 HS580 / 6NC A-12/15  
 
Diameter Range 12.45-15.62 mm (.490"-.615")

Diameter mm

Ins Mandrel Hard Adaptor Stone Types
Short Series ND
MANDREL LENGTH A=107 mm (4.21") STONE LENGTH B = 57.1 mm (2.25")
 
12.45-13.21 .490-.520 HS490 / 4ND MA 156/29
A-12/15
13.21-13.97 .520-.550 HS520 / 4ND
13.97-14.73 .550-.580 HS550 / 4ND
14.73-15.62 .580-.615 HS580 / 4ND
 
Diameter Range 15.627-19.56 mm (.615"-.770")
Short Series ND
MANDREL LENGTH A=107 mm (4.21") STONE LENGTH B = 57.1 mm (2.25")
15.62-16.38 .615-.645 HS615 / 4ND MA 156/6
A-15/19
ND
15.80-16.50   HS622 / 4ND
16.38-17.15 .645-.675 HS645 / 4ND
17.15-17.91 .675-.705 HS675 / 4ND
17.91-18.80 .705-.740 HS705 / 4ND
18.80-19.56 .740-.770 HS740 / 4ND
 
Diameter Range 19.56-25.91 mm (.770"-.990")
Short Series ND
MANDREL LENGTH A=107 mm (4.21") STONE LENGTH B = 57.1 mm (2.25")
19.56-20.32 .790-.800 HS770 / 4ND MA 156/50
A-19/25
ND
20.32-21.08 .800-.830 HS800 / 4ND
21.08-21.97 .830-.865 HS830 / 4ND
21.97-22.73 .865-.895 HS865 / 4ND
22.73-23.49 .895-.925 HS895 / 4ND
23.49-24.25 .925-955 HS925 / 4ND
24.25-25.15 .955-.990 HS955 / 4ND
25.15-25.91 .990-1.02 HS990 / 4ND
 
Diameter Range 12.45-15.62 mm (.490"-.615")

Diameter mm

Ins Mandrel Hard Adaptor Stone Types
Short Series GG
MANDREL LENGTH A=107 mm (4.21") STONE LENGTH B = 57.1 mm (2.25")
 
12.45-13.21 .490-.520 HS490 / 8GG MA 156/29
A-12/15
GG
13.21-13.97 .520-.550 HS520 / 8GG
13.97-14.73 .550-.580 HS550 / 8GG
14.73-15.62 .580-.615 HS580 / 8GG
 
Diameter Range 12.45-15.62 mm (.490"-.615")
Short Series GG
MANDREL LENGTH A=230 mm (9.33") STONE LENGTH B = 114.3 mm (4.50")
 
15.62-16.38 .615-.645 HS615 / 8GG MA 156/50
A-19/25
GG
16.38-17.15 .645.675 HS645 / 8GG
17.15-17.91 .675-.705 HS675 / 8GG
17.91-18.80 .705-.740 HS705 / 8GG
18.80-19.56 .740-.770 HS740 / 8GG
19.56-20.32 .790-.800 HS770 / 8GG
20.32-21.08 .800-.830 HS800 / 8GG
21.08-21.97 .830-.865 HS830 / 8GG
21.97-22.73 .865-.895 HS865 / 8GG
22.73-23.49 .895-.925 HS895 / 8GG
23.49-24.25 .925-.955 HS925 / 8GG
24.25-25.14 .955-.990 HS955 / 8GG
25.14-25.91 .990-1.02 HS990 / 8GG
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