ALL DIMENSIONS IN INCHES
TOLERANCE
+0 -1/32 UP TO 1"
+0 -1/16 1" TO 2"
THREAD SIZE P NOM. H max
1/4-28 UNF 2A
1/4-20 UNC 2A
5/16-24 UNF 2A
5/16-18 UNC 2A
3/8-24 UNF 2A
3/8-16 UNC 2A
7/16-20 UNF 2A
7/16-14 UNC 2A
1/2-20 UNF 2A
1/2-13 UNC 2A
5/8-11 UNC-2A
3/4-10 UNC 2A
0.510"
0.510"
0.580"
0.580"
0.650"
0.650"
0.720"
0.720"
0.870"
0.870"
1.083"
1.300"
0.163"
0.163"
0.211"
0.211"
0.243"
0.243"
0.291"
0.291"
0.323"
0.323"
0.403"
0.483"
Flats
RECOM. CLEAR. HOLE
max
MIN.
MAX.
0.269"
0.440" 0.265"
0.269"
0.440" 0.265"
0.502" 0.332"
0.336"
0.502" 0.332"
0.336"
0.565" 0.395"
0.399"
0.565" 0.395"
0.399"
0.627" 0.467"
0.471"
0.627" 0.467"
0.471"
0.752" 0.530"
0.534"
0.752" 0.530"
0.534"
0.940" 0.660"
0.665"
1.127" 0.785"
0.790"
LENGTH
3/8" to 3/4" Incl.
3/8" to 3/4" Incl.
1/2" to 7/8" Incl.
3/8" to 7/8" Incl.
5/8" to 1" Incl.
1/2" to 1" Incl.
5/16" to 1" Incl.
5/16" to 1" Incl.
1/2" to 1
1/4
" Incl.
3/4" to 1
1/4
" Incl.
1
1/4
" Incl.
1
1/2
" Incl.
TYPICAL CLEARANCE HOLE DETAIL
STANDARD SPECIFICATIONS & COMMON OPTIONS (HOW TO ORDER)
STD. SCREW MATERIAL: TYPE 18/8 STAINLESS STEEL PER DFARS (OTHER MATERIALS AVAILABLE)
STD. SCREW FINISH: NATURAL (PASSIVATED PER MIL-STD-171 UNLESS OTHERWISE SPECIFIED)
STD. O-RING MATERIAL: SILICONE RUBBER (SEE TABLE FOR O-RING OPTIONS)
SAMPLE CATALOG
NO.
SCREW TYPE
THREAD
ST
1/4-20
X
1/2
-2701
-BLKOX
ST1/4-20X1/2-2701-BLKOX
HEXAGON HEAD
SEELBOLTS
ENTER BASIC
THREAD SIZE
ENTER LENGTH
ENTER FROM TABLE
ENTER FROM TABLE
AVAILABLE O-RING MATERIALS
Compound
Suffix
-2701
-2615
-5701
-4601
-3701
-7601
Material
Silicone
Rubber
Fluoro-
Silicone
Rubber
Viton
A
Buna N
(NBR)
Neoprene
(EPR)
Ethylene
Propylene
(EPDM)
Service
Temp.
-150°F to 500°F
-101°C to 260°C
-78°F to 450°F
-61°C to 232°C
-20°F to 400°F
-29°C to 204°C
-65°F to 250°F
-54°C to 121°C
-65°F to 300°F
-54°C to 149°C
-65°F to 300°F
-54°C to 149°C
COMMON OPTIONS
SUFFIX
-BLKOX
-NY
-LY
-TP
-HTP
DESCRIPTION
BLACK OXIDE PER
MIL-C-13924A, CLASS 2
LOCKING NYLON
PELLET
LOCKING NYLON STRIP
LOCKING NYLON STD.
PATCH
HIGH TEMP. LOCKING
NYLON PATCH
LENGTH
O-RING SUFFIX
OPTIONS
TITLE:
MAXIMUM AND MINIMUM MEASURE-
MENTS ARE STATED DIRECTLY ON
EACH DIMENSION.
K
J
I
H
REV.
ADDED THREAD SIZE 5/8-11 and 3/4-10
ADDED "PER DFARS" FOR THE SCREW MATERIAL
NEW DRAWING FORMAT
CAD COMPUTER GENERATED
DESCRIPTION
S. GOK
S. GOK
S. GOK
ENG.
DWN.
CHKD.
02.22.11
07.02.09
01.21.09
12-23-02
DATE
6-23-60
FINISH: AS NOTED
APM-HEXSEAL CORPORATION
SCALE
DWG. NO.
MAT'L: AS NOTED
SEELBOLT ®, HEX HEAD
THREADED TO HEAD
FRUMENTI
ST-0-0-00-0
THIS DRAWING COVERS PROPRIETARY ITEM AND IS THE PROPERTY OF THE APM-HEXSEAL CORPORATION.
THIS DRAWING IS NOT TO BE COPIED OR USED WITHOUT THE WRITTEN APPROVAL OF AN OFFICER OF THE APM-HEXSEAL CORPORATION.