Angle Repair Service is factory authorized repair center for Jacobs Keyless Precision Chucks. It is important to remember, are ONLY SERVICE the chucks with the following prefix letters JKT JKP JKB JKC.
Parts are available, try to maintain adequate inventory to service our customers. We DO NOT sell tool holders or adapters.
PARTS LIST
NOTES:
- Part numbers in bold face type require special tooling for disassembly. Consult factory.3. + Slotted jaws guides are used exclusively with model JKT chucks.
- Part numbers followed by asterisk(*) indicates design change for new version 2.5 mm (.0980″) jaws. To determine whether or not new version jaws are required, measure jaws as shown.

Model No. | Part No. | Description | |
![]() | J-65 J-80 J-80 J-100 J-100 J-130 J-160 | 31113 31091 *30605 31095 *30606 30607 30608 | 3 JAW SET 3 JAW SET 3 JAW SET 3 JAW SET 3 JAW SET 3 JAW SET 3 JAW SET |
![]() | H-65 H-80 H-80 H-100 H-100 H-130 H-160 | 31114 31092 *30609 31096 *30610 30611 30612 | HOOD HOOD HOOD HOOD HOOD HOOD HOOD |
![]() | BB-65 BB-80 BB-100 BB-130 BB-160 | 31308 30613 30614 30615 30686 | 25 BALL SET 28 BALL SET 27 BALL SET 24 BALL SET 26 BALL SET |
![]() | C-65 C-80 C-100 C-130 C-160 | 31115 30616 30617 30618 30619 | COLLAR COLLAR COLLAR COLLAR COLLAR |
![]() | S-65 S-80 S-100 S-130 S-160 | 31116 30620 30621 30622 30623 | Ball Retainer Ball Retainer Ball Retainer Ball Retainer Ball Retainer |
![]() | G-65 G-80 G-80 G-100 G-100 G-130 G-160 GS-65 GS-80 GS-80 GS-130 GS-160 | 31117 31093 *30624 31097 *30625 30626 30627 31118 31094 *30635 30636 30637 | JAW GUIDE JAW GUIDE JAW GUIDE JAW GUIDE JAW GUIDE JAW GUIDE JAW GUIDE Slotted Jaw Guide + Slotted Jaw Guide + Slotted Jaw Guide + Slotted Jaw Guide + Slotted Jaw Guide + |
![]() | L-65 L-80 L-100 L-130 L-160 | 31119 30628 30629 30630 30631 | LEAD SCREW LEAD SCREW LEAD SCREW LEAD SCREW LEAD SCREW |
![]() | W-65 W-80 W-130 W-160 | 31123 30632 30633 30634 | WRENCH WRENCH WRENCH WRENCH |