4.3" to 4.6" Series “BA” Type Flanges

.649"

.162"

.635"

1.2504"

1.2501"

Overall flange thickness

Single-piece hight-precision male half of flange eliminates stack tolerances present in flanges designed with separate flange center bushing manufactured simply to save raw material
and machining costs

Appropriate dowel pin holes for use with K&S mounting tool

1.250" Arbor diameter

Back spindle side

1Blade exposure in mils (thousandths of an inch)

Dising blade

Right hand thread

Finger grip area
to facilitate mounting on spindle

Spanner nut

Front operator side

4.6BA

 
 
 

60

 
 
 

S

 
 

Flange Part
Number Prefix
(inches)

Diamond Blade Size (inches)

O.D.

x

I.D.

Diamond Blade Size (metric)

O.D.

x

I.D.

4.3BA

4.300

3.000

109.2

76.2

4.5BA

4.500

2.750

114.3

69.9

4.6BA

4.600

3.500

116.8

88.9

4.6HBA

4.600

3.497

116.8

88.8

Material

Flange
Part Number Suffix

303 SS/Black Anodized Aluminium

S

Titanium/Black Anodized Aluminium

T

Blade Exposure

(inches)

(mils)

(metric)

0.010

10

0.254

0.015

15

0.381

0.020

20

0.508

0.025

25

0.635

0.030

30

0.762

0.040

40

1.016

0.050

50

1.270

0.060

60

1.524

0.070

70

1.778

0.080

80

2.032

0.090

90

2.286

0.100

100

2.540

0.125

125

3.175

0.150

150

3.810

0.175

175

4.445

0.200

200

5.080

0.250

250

6.350

0.300

300

7.620

0.350

350

8.890

0.400

400

10.160

0.450

450

11.430

0.500

500

12.700

0.550

550

13.900

Recommended Torque: 30 in. lbs.

1 Intermediate exposure sizes are available in .005" increments as well as extended hub design for blades thicker than .020". See Technical Section, pg. 4. for blade exposure guidelines.

Chart below indicates maximum exposure for each flange series:

Flange Part Number PrefixMaximum Blade Exposure
4.3BA500
4.5BA550
4.6BA400
4.6HBA400

Caution: 4.6" O.D. x 3.5" I.D. blades and related flanges are being sold that have redused flange hub and blade I.D. diameters with as little as a few thousandths of an inch from the established standard of 3.500". This is virtually undetectable by the end user. This may result in the end user's existing blade stock having an I.D. too small to fit onto the flange or the blade. Thermocarbon believes in standardization to avoid the problems this may create, however, we may have to produce these blades and flanges in the near future in order to continue our commitment to providing the customer with an alternative sourse for these products. Meanwhile, always question the I.D. dimensions of blades and O.D. dimentions of the mounting hub of flanges prior to purchase.

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