Page 1
SOFT BLANK TOP JAWSImmediate Delivery from Stock
RAM Products, Inc. ·614 Centinela Ave., Inglewood, CA 90302, Phone: (310) 671-6844· Fax: (310) 671-6909
RAM Style "N' Mild Steel JawsFOR MEDIUM DUTY CHUCKS
ChuckOrder A B C
D E G H J
SizeBy
Height Length WidthHole Screw Key Groove Front
Number Space Size Width Width to Key
6150 1-3/8 2-3/4 1 1-5/16
6 6250 2-3/8 2-3/4 1 1-1/2 3/8 .499 .313 1-5/16
6200 1-7/8 2-3/4 1-1/2 1-5/16
8200 1-7/8 3-1/2 1-1/4 1-3/4
8 8300 2-7/8 3-1/2 1-1/4 1-3/4 3/8 .499 .313 .. 1-3/4
8250 2-3/8 3-7/8 1-1/4 2
10200 1-7/8 4 1-1/2 1-7/8
10350 3-3/8 4 1-1/2 1-7/810 2-1/8 1/2 .749 .501
10250 2-3/8 4-1/4 1-3/4 2-1/8
10400 3-7/8 4-1/4 1-3/4 2-1/8
12250 2-3/8 5 1-3/4 2-5/812 2-1/2 1/2 .749 .501
12400 3-7/8 5 1-3/4 2-5/8
15250 2-1/4 5-1/2 1-3/4 2-5/815 3 5/8 .749 .501
15400 3-3/4 5-1/2 1-3/4 2-5/8
FOR HEAVY DUTY AND POWER CHUCKS6152 1-3/8 2-5/8 1-1/4 1-3/16
6252 2-3/8 2-5/8 1-1/4 1-3/166 1-1/2 7/16 .499 .313
6201 1-7/8 2-5/8 1-1/2 1-3/16
6301 2-7/8 2-5/8 1-1/2 1-3/16
8251 2-3/8 3-1/4 1-1/4 1-5/8
8201 1-7/8 3-1/4 1-1/2 1-5/8
8 8252 2-3/8 3-1/4 1-1/2 1-3/4 1/2 .499 .313 1-5/8
8351 3-3/8 3-1/4 1-1/2 1-5/8
8302 2-7/8 3-1/4 2 1-5/8
10202 1-7/8 4 1-3/4 1-15/16
10251 2-3/8 4 1-3/4 1-15/1610 2-1/8 5/8 .749 .501
10401 3-7/8 4 1-3/4 1-15/16
10302 2-7/8 4 2 1-15/16
12251 2-3/8 4-3/4 1-3/4 2-1/2
12401 3-7/8 4-3/4 1-3/4 2-1/212 2-1/2 5/8 .749 .501
12252 2-3/8 4-3/4 2 2-1/2
12402 3-7/8 4-3/4 2 2-1/2
15301 2-3/4 5-3/4 2 3
15501 4-3/4 5-3/4 2 315-24 3 3/4 .749 .501
15352 3-1/4 6 2-1/2 3-3/8
15502 4-3/4 6 2-1/2 3-3/8
15 & up use Heavy Duty Chuck Jaws 15301, 15501, 15352 and 15502
RAM STYLE "A"
TO AID YOU IN DETER·MINING THE CORRECTJAW, WE HAVE PUT THEFOUR IMPORTANTDIMENSIONS ON A REDBACKGROUND .THEY ARE: (D) HoleSpacing, (E) Size of ScrewUsed (G) Key Width and(H) Groove Width .
Chucks UsingRAM Style "N':
CUSHMANUNIONS-PSKINNERBUCKGISHOLTWARNER &SWASEYROHM
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RAM Style "Ilt Mild Steel Pointed JawsFOR MEDIUM DUTY CHUCKS
ChuckOrder
A B C0 E G H J
SizeBy
Height Length WidthHole Screw Key Groove Front
Number Space Size Width Width Key
6250P 2-3/8 2-3/4 1 1-5/166 1-1/2 3/8 .499 .312
6200P 1-7/8 2-3/4 1-1/2 1-5/16
8250P 2-3/8 3-7/8 1-1/4 28 1-3/4 3/8 .499 .312
8300P 2-7/8 3-1/2 1-1/4 1-3/4
10250P 2-3/8 4-5/8 1-3/4 2-5/810 2-1/8 1/2 .749 .501
10400P 3-7/8 4-5/8 1-3/4 2-5/8
12250P 2-3/8 5-1/2 1-3/4 3-1/812 2-1/2 1/2 .749 .501
12400P 3-7/8 5-1/2 1-3/4 3-1/8
15250P 2-1/4 6-1/8 1-3/4 3-5/815 3 5/8 .749 .501
15400P 3-3/4 6-1/8 1-3/4 3-5/8
FOR HEAVY DUTY AND POWER CHUCKS6201P 1-7/8 3-1/4 1-1/2 1-5/8
6 1-1/2 7/16 .499 .3136301P 2-7/8 3-1/4 1-1/2 1-5/8
8201P 1-7/8 3-7/8 1-1/2 2-3/168 1-3/4 1/2 .499 .313
8351P 3-3/8 3-7/8 1-1/2 2-3/16
10202P 1-7/8 4-5/8 1-3/4 2-5/8
10 10251P 2-3/8 4-5/8 1-3/4 2-1/8 5/8 .749 .501 2-5/8
10401P 3-7/8 4-5/8 1-3/4 2-5/8
12252P 2-3/8 5-3/8 2 3-1/812 2-1/2 5/8 .749 .501
12402P 3-7/8 5-3/8 2 3-1/8
15301P 2-3/4 6-1/4 2 3-5/815 3 3/4 .749 .501
15501P 4-3/4 6-1/4 2 3-5/8
POINT 120 - INCLUDED ANGLE
RAM STYLE "A" POINTED
Medium Duty Pointed Jawshave a flat on the point equal toGroove "H".Heavy Duty Pointed Jawshave full point.
RAM Style "Ilt Aluminum Jaws - 6061-T6 Aluminum BarFOR MEDIUM DUTY CHUCKS
ChuckOrder A B C
0 E G H J
SizeBy
Height Length WidthHole Screw Key Groove Front
Number Space Size Width Width to Key
6A150 1-3/8 2-3/4 1 1-5/166 1-1/2 3/8 .499 .313
*6A200P 1-7/8 3 1-1/2 1-9/16
8A200 1-7/8 4 1-1/2 28 1-3/4 3/8 .499 .313
8A300 2-7/8 4 1-1/2 2
10A200 1-7/8 4-3/8 1-3/4 2-1/810 2-1/8 1/2 .749 .502
10A300 2-7/8 4-3/8 1-3/4 2-1/8
12A200 1-7/8 5 1-3/4 2-5/812 2-1/2 1/2 .749 .502
12A300 2-7/8 5 1-3/4 2-5/8
15 15A300 2-7/8 6 1-3/4 3 5/8 .749 .502 3
FOR HEAVY DUTY AND POWER CHUCKS6A151 1-3/8 2-3/4 1 1-5/16
6 1-1/2 7/16 .499 .313*6A201 P 1-7/8 3 1-1/2 1-9/16
8A201 1-7/8 4 1-1/2 28 1-3/4 1/2 .499 .313
8A301 2-7/8 4 1-1/2 2
10A201 1-7/8 4-3/8 1-3/4 2-1/810 2-1/8 5/8 .749 .502
10A301 2-7/8 4-3/8 1-3/4 2-1/8
12A201 1-7/8 5 1-3/4 2-5/812 2-1/2 5/8 .749 .502
12A301 2-7/8 5 1-3/4 2-5/8
15 15A301 2-7/8 6 1-3/4 3 3/4 .749 .502 3
A'I
)RAM STYLE "A" - NO POINT
Full Grip/Pie JawsAvailable in all sizes &styles. Both Alum. & Steel
* Pointed Jaws18 and up, use 15 Heavy Duty Jaws
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RAM STYLE "A" METRIC
RAM Style "At MetricMetric Tongue and Groove
FOR CHUCKS USING FORKARDT, ROHM, SMWSteel Rectangular Jaws CRITICAL DIMENSIONS Steel Pie Shape Jaws
Chuck Order A B CJ G H D E Jaw A J Order
Dia By Height length Width Front Key Groove Hole Screw Dia Height Front ByNumber to Key Width Width Space Size to Key Number
5 M5150 1-1/2 2-1/2 3/4 1.70B .315 1.260 MB 6 1-1/2 1.2 M6150-60
6-1/4 M6150 1-1/2 3-1/4 3/4 1-5/8
8 M8200 2 4-1/B 1 2 .787 .394 1.570 M8 8 2 2.0 M8200-8D
10 M10200 2 4-3/4 1-1/4 2-3/4 10 2 3.0 M10200-10D.787 .473 1.570 M12
12 M12250 2-1/2 3-1/2 2 1-3/4 12 2 4 M12200-12D
15 M15250 2-1/2 5-3/4 1-1/2 2-7/8 1.024 .473 2.130 M12
Aluminum Rectangular Jaws CRITICAL DIMENSIONS Aluminum Pie Shape JawsChuck Order A B C
J G H D E Jaw A J Order
Dia By Height length WidthFront Key Groove Hole Screw Dia Height
Front ByNumber to Key Width Width Space Size to Key Number
M6A150 1-1/2 2-1/2 3/4 1 1-1/2 1 M6A150-6D6-1/4 .708 .315 1.260 M8 6
3 1 M6A300-6D
M8A200 2 4 1-1/2 2 2 2 M8A200-8DB .787 .394 1.570 MB B
M8A300 3 4 1-1/2 2 4 2 MBA400-8D
M10A200 2 4-1/2 1-1/2 2-1/2 2 3 M10A200-10D10 10
M10A300 3 4-1/2 1-1/2 2-1/2 4 3 M1 0A400-1 OD.787 .473 1.570 M12
M12A200 2 5 2 3 2-1/2 4 M12A250-12D12 12
M12A300 3 5 2 3 4 4 M12A400-12D
M15A250 2-1/2 5-3/4 2 2-7/8 2-1/2 3-1/2 M15A250-12D15 1.024 .473 2.130 M12 12
M15A300 3 5-3/4 2 2-7/8
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Design andlor Dimensions Subject to Change without Notice
RAM Style "J" Mild Steel Pointed Jaws1.5 MM (.0591) X 60 SERRATION
ChuckOrder A C B
0 E H J
SizeBy
Height Width LengthHole Screw Groove Front
Number Space Size Width to Key
HOWA6156 1-1/2 1-1/4 36 .787 10MM .433 1-5/8
HOWA6206 2 1-114 3
8 HOWA8206 2 1-1/2 4 1.187 15MM .710 2-114
MAT10206 2 1-1/2 510 1.250 12MM .630 3
MAT10306 3 1-1/2 5
KIT6156 1-1/2 1-1/4 36 .787 10MM .474 1-5/8
KIT6256 2-1/2 1-1/4 3
KIT8206 2 1-1/2 4
8 KIT8306 3 1-1/2 4 1.0 12MM .551 2-1/4
KIT8406 4 1-1/2 4
KIT10206 2 1-1/2 4-1/2
10 KIT10306 3 1-1/2 4-1/2 1.180 12MM .630 2-3/8
KIT10406 4 1-1/2 4-1/2
KIT12206 2 2 5-1/4
12 KIT12306 3 2 5-1/4 1.180 14MM .710 2-7/8
KIT12406 4 2 5-1/4
KIT12206H 2 2 5-1/412 1.488 14MM .710 2-7/8
KIT12306H 3 2 5-1/4
KIT-2-12206 2 2 5-1/2 1.181 16MM .827 2-7/812
KIT-2-12306 3 2 5-1/2 1.181 16MM .827 2-7/8
KIT15256 2 1/2 2-1/2 6 2.300 20MM .866 3
KIT15406 4 2-1/2 6 2.300 20MM .866 3
* KIT-2-15256 2 1/2 2-1/2 6 1.690 20MM 1.004 3
15 KIT-2-15406 4 2-1/2 6 1.690 20MM 1.004 3
KIT-F-15256 21/2 2-1/2 6 1.690 20MM .866 3
KIT-F-15406 4 2-1/2 6 1.690 20MM .866 3
*15" No Point; Unless Specify with "P" at the End; i.e. 15406P
SPECIAL JAWSMade to your print
Prices upon application
Also Available6061 T6 Aluminum Jaws.
1.5 MM (.0591) X 60 SERRATIONChuck
Order A C B0 E H J
SizeBy
Height Width LengthHole Screw Groove Front
Number Space Size Width to Key
SUGA6156 1-1/2 1 3 .985 8.5MM .433 1-5/86
SUGA6256 2 1 3 .985 8.5MM .433 1-5/8
SUGA8206 2 1-1/2 4 1.181 10MM .551 2-1/48
SUGA8306 3 1-1/2 4 1.181 10MM .551 2-114
12 SUGA12206 2 1-3/4 5-1/4 1.375 12MM .788 3
14 SUGA14306 3 2 6-1/4 1.772 17MM .827 3-1/8
KITAGAWA
MATSUMOTO
HITACHI-SEIKI
HOWA
NIKKO
SUGA
RAM STYLE "J"
NOTEAll Jaws drilled and
counterbored forthe size of screw
shown in Column E
Also Available6061 T6 Aluminum Jaws.
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RAM Style "H" Mild Steel Jaws - No Point1/16 X 90 SERRATION FOR POWERHOLD, POWERGRIp,
SUPER CHUCKS, ERICKSON GAMET, SMW & CUSHMAN
ChuckOrder
A C BD E H J
SizeBy
Height Width LengthHole Screw Groove
FrontNumber Space Size Width
6155 1-1/2 1-1/4 2-3/4 23132 1-1/46 5/16 .433
6305 3 1-1/4 2-3/4 23132 1-1/4
6 1/2 10205 2 1-1/2 3-114 7/8 1-1/23/8 .551
8, 10 10355 3-1/2 1-1/2 3-1/4 7/8 1-1/2
8205 2 1-1/2 3-1/2 1-1/8 1-3148HD 1/2 .669
8355 3-1/2 1-1/2 3-1/2 1-1/8 1-314
10HD 11255 2-1/2 1-314 4-1/8 1-5/8 1-7/81/2 .78811 & 12 11405 4 1-3/4 4-1/8 1-5/8 1-7/8
12255 2-1/2 1-3/4 4-1/4 1-3/16 2-1/811 & 12 1/2 .788
12405 4 1-3/4 4-1/4 1-3/16 2-1/8
10,121/2 13255 2-1/2 2 4-3/4 1-3/16 2-7/161/2 .827
&UP 13405 4 2 4-3/4 1-3/16 2-7/16
14, 15 15255 2-1/2 2 4-3/4 1-9/16 25/8 .827
&UP 15405 4 2 4-3/4 1-9/16 2
3/32 X 90 SERRATION16305 3 2-1/2 6-1/4 1-9/16 3-114
16-20 3/4 1.00016505 5· 2-1/2 6-1/4 1-9/16 3-114
25355 3-1/2 3-1/2 8-114 2-1/2 4-1/225-31 1 1.181
25605 6 3-1/2 8-114 2-1/2 4-1/2
SERRATIONS ONTOP OF JAW
RAM STYLE "H"
Also Available6061 T6 Aluminum Jaws.
RAM Style "H" Mild Steel Pointed Jaws1/16 X 90 SERRATION FOR POWERHOLD, POWERGRIp,SUPER CHUCKS, ERICKSON GAMET, SMW & CUSHMAN
ChuckOrder A C B D E H J
SizeBy
Height Width LengthHole Screw Groove
FrontNumber Space Size Width
6155P 1-1/2 1-1/4 3-1/8 23132 1-1146 5/16 .433
6305P 3 1-114 3-1/8 23132 1-114
61/2 10205P 2 1-1/2 4-1/4 7/8 23/8 .551
8, 10 10355P 3-1/2 1-1/2 4-1/4 7/8 2
8205P 2 1-1/2 4-1/4 7/8 28HD 1/2 .669
8355P 3-1/2 1-1/2 4-1/4 7/8 2
10HD 11255P 2-1/2 1-3/4 4-5/8 1-3/16 1-5/81/2 .788
11405P 4 1-3/4 4-5/8 1-3/16 1-5/8
12255P 2-1/2 1-3/4 5-1/4 1-3/16 2-1/411 & 12 1/2 .788
12405P 4 1-3/4 5-1/4 1-3/16 2-1/4
13255P 2-1/2 2 5-1/4 1-3/16 2-1/410& 12112 1/2 .827
13405P 4 2 5-1/4 1-3/16 2-1/4
14,15 15255P 2-1/2 2 6-5/8 1-9/16 2-3145/8 .827
&UP 15405P 4 2 6-5/8 1-9/16 2-314
3/32 X 90 SERRATION16305P 3 2-1/2 8 1-9/16 3-114
16-20 3/4 1.00016505P 5 2-1/2 8 1-9/16 3-114
25355P 3-1/2 3-1/2 11 2-1/2 4-1/225-31 1 1.181
25605P 6 3-1/2 11 2-1/2 4-1/2
SERRATIONS ONTOP OF JAW
C~ »<.~~ VD~
'f
RAM STYLE "H" POINTED
ORDER FROM YOURLOCAL DEALER
Manufactured ByRAM Products, Inc.Inglewood, California
Page 6
RAM Style "8" Mild Steel JawsAlso Available FOR CHUCKS USING SQUARE SERRATED MASTER KEYS:
6061 T6 Aluminum Jaws. BUCK, CUSHMAN, GISHOLT, Sop
ChuckOrder A B C
0 E G H JT
SizeBy Height Length Width
Hole Screw Key Groove FrontTapped
Number Space Size Width Width to Key
8 8203 2 3 1-1/4 1-7/16 3/8 .746 1/2 1 1/4-20
~~
10253 2-1/2 4-1/2 1-3/4 2-1/4 5/16-18
10403 4 4-1/2 1-3/4 2-1/4 5/16-18
E" G 10-12 1-3/4 1/2 .996 .751
D~ : ~J~
12253 2-1/2 4-3/4 1-3/4 2-3/4 5/16-18
12403 4 4-3/4 1-3/4 2-3/4 5/16-18
12253H 2-1/2 4-3/4 1-3/4 2-3/4 5/16-1812 1-3/4 5/8 .996 .751
~v)12403H 4 4-3/4 1-3/4 2-3/4 5/16-18
15303 3 6-1/4 2-1/4 3 3/8-1615-18 2-1/2 3/4 1.488 1.001
15503 5 6-1/4 2-1/4 3 3/8-16
RAM STYLE "8"20303 3 6-1/4 2-1/4 3 3/8-16
20-24 3 3/4 1.488 1.00120503 5 6-1/4 2-1/4 3 3/8-16
FOR BUCK 6 AND 7-1/2 CHUCKS6 62063 1-1/2 2-3/4 1 1-5/16
1-11/16 5/16 .377 .738 N/A* 62063S 1-1/2 3-1/8 2 1-5/16
7-1/2 72073 2 3-1/8 1-1/4 1-7/161-11/16 5/16 .377 .866 N/A
* 72073S 1-1/2 3-1/8 2 1-7/16
ALUMINUM JAWS FOR 6 AND 7-1/2 CHUCKS6 6A2063 1-1/2 3 1 .738 1-1/2
1-11/16 5/16 .377 N/A7-1/2 7A2073 2 3 1-1/2 .866 1-7/16
STYLE "CC"
* 62063S and 72073S are Extra Wide Jaws for 2 Jaw Chuck
RAM Style "CC" Mild Steel JawsFOR CHUCKS USING SQUARE SERRATED MASTER KEYS:
BUCK, CUSHMAN, GISHOLT, Sop
ChuckOrder A B C
0 E G H JT
SizeBy Height Length Width
Hole Screw Key Groove FrontTapped
Number Space Size Width Width to Key
10254 2-5/16 4-1/8 1-3/410 1-3/4 1/2 1.031 .749 1-7/8 5/16-18
10404 3-13/16 4-1/8 1-3/4
12304 2-13/16 4-1/2 212 2 5/8 1.031 .874 2-1/8 5/16-18
12404 3-13/16 4-1/2 2
15304 2-3/4 5-3/4 2-1/215-18 2-1/2 3/4 1.531 .998 2-3/4 3/8-16
15504 4-3/4 5-3/4 2-1/2
21-36 21354 3-1/4 6 2-1/2 3 7/8 1.531 1.248 3 3/8-16
Special Jaws Made to Your Print • Prices Upon Request
Design and/or Dimensions Subject to Change without Notice Longer, Higher, Wider Jaws Available as Specials
Page 7
RAM JAWS FOR NORTHFIELD CHUCKSMild Steel and 6061- T6 Aluminum Bar
ALUMINUM STEEL A B C
AL4-3/4 ST4-3/4 3/4
SERIES 400 AL4-1'/' ST4-1'/' 1'/'
CHUCKS3/4 1.89
AL4-2'/' ST4-2'/' 2'/'
AL6-1 ST6-1
SERIES 600 AL6-1'/2 ST6-1'/' 1'/'
CHUCKS2.89
AL6-2 ST6-2 2
AL6-3 3
AL8-2 ST8-2 2
SERIES 800 AL8-2'/' ST8-2'/2 2'/2
CHUCKS2 3.68
AL8-3 ST8-3 3
AL40-1 ST40-1
PIE-JAWSERIES 400 1-----+------+-----1
CHUCKS
AL40-2 ST40-2
AL60-1 ST60-1
PIE-JAWSERIES 600 1-----+------+-----1
CHUCKS
AL60-2 ST60-2
AL60-3
AL80-2 ST80-2
PIE-JAWSERIES 800 1-----+------+-------1
CHUCKS
AL80-3
AL80-4
Cams For Setting Jaws
SET UP FOR BORING SOFT JAWS, QUICKLY AND EASILYo Save set-up time.
o Any diameter obtained quickly and easily.o Reduce soft jaw costs.
o Reduce excessive machining of soft jaws.
2
2
3
2
3
4
3.901A.
5.901A.
801A.
SET OF 4 CAMS1 1/2" TO 6"
This flat steel cam fitting behind the soft jaws is rotated with a screw driver until required diameter is obtained.Then by pinching with the master jaws the slack is removed from the scroll. The soft jaws are now ready for boring.